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1楼2013-11-05 14:01:54

xhtangxh

木虫 (著名写手)

有木有虫

CMEI: 6
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专业: 催化化学

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感谢参与，应助指数 +1

三元合金：

1.
Card Information
Names: Aluminum Boron Magnesium
Formula: Mg0.5 Al B14
PDF Number: 39-437
Quality: calculated
Subfiles: inorganic alloy NBS
Cell and Symmetry Information
System: orthorhombic Space Group: Imam    (no.  74)
a: 5.8480 b: 8.1150 c: 10.3130
Z: 4
Instrument Information
Radiation: CuKa1 Wavelength: 1.5405981
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 0.23
Comments and Additional Information
General: Pattern calculated by using atomic parameters from the Inorganic Structure Data File, Federal Republic of Germany.
Literature References
General: Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid          (1988)
Unit Cell: Matkovic, V., Economy, J. Acta Crystallogr., Sec. B 26 616 (1970)

2.
Card Information
Names: Aluminum Boron Magnesium
Formula: Mg0.78 Al0.75 B14
PDF Number: 39-459
Quality: calculated
Subfiles: inorganic alloy NBS
Cell and Symmetry Information
System: orthorhombic Space Group: Imam    (no.  74)
a: 5.8480 b: 8.1120 c: 10.3120
Z: 4
Instrument Information
Radiation: CuKa1 Wavelength: 1.5405981
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 0.23
Comments and Additional Information
General: Pattern calculated by using atomic parameters from the Inorganic Structure Data File, Federal Republic of Germany.
Literature References
General: Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid          (1987)
Unit Cell: Higashi, I., Ito, T. Acta Crystallogr., Sec. B 39 239 (1970)

3.
Card Information
Names: Magnesium Aluminum Boron
Magnesium aluminium boride
Formula: Mg0.78 Al0.75 B14
PDF Number: 75-1262
Quality: calculated
Subfiles: inorganic alloy COR FIZ
Cell and Symmetry Information
System: orthorhombic Space Group: Imcm    (no. 0)
a: 5.84800 b: 8.11200 c: 10.31200
Density (Dm): 2.600 Density (Dx): 2.586 Z: 4
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 0.22
Comments and Additional Information
ICSD Number: 030728
Temperature factor: ATF
TI Refinement of the structure of Mg Al B14
WY j2 i h3 c (IMAM)
AF N3O3P56
Literature References
General:    Calculated from ICSD using POWD-12++          (1997)
Structure: Higashi, I., Ito, T. J. Less-Common Met. 92 239 (1983)

4.
Card Information
Names: Aluminum Magnesium Boron
Aluminum magnesium boride
Formula: Al0.5 Mg0.5 B2
PDF Number: 89-3178
Quality: calculated
Subfiles: inorganic alloy FIZ
Cell and Symmetry Information
System: hexagonal Space Group: P6/mmm (no. 191)
a: 3.047 c: 3.366
Density (Dx): 2.900 Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 2.27
Comments and Additional Information
ICSD Number: 043838
TT No R value given.
TT At least one TF missing.
TI Double borides of aluminum and magnesium
WY d a (P6/MMM)
AF NO2
Literature References
General:    Calculated from ICSD using POWD-12++          ( )
Structure: Vekshina, N.V., Markovskii, L.Y., Kondrashev,Y.D., Voevodskaya, T.K. Zh. Prikl. Khim. (Leningrad) 44 970 (1971)

2楼2013-11-05 15:04:02

xhtangxh

木虫 (著名写手)

有木有虫

CMEI: 6
应助: 773 (博后)
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帖子: 2676
在线: 599.3小时
虫号: 428580
注册: 2007-08-04
专业: 催化化学

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B-Mg二元合金：

1.
Card Information
Names: Boron Magnesium
Formula: Mg B12
PDF Number: 8-263
Quality: questionable
Subfiles: inorganic alloy
Cell and Symmetry Information
System: unknown
Instrument Information
Radiation: FeKa Wavelength: 1.9373
Instrument(d): Debye-Scherrer
Instrument(I): visual estimate I type: unknown
Comments and Additional Information
General: Phase C occurs over 1200 C.
Analysis: Theoretical composition (wt.%): Mg 15.5, B 84.5.
Quality: O assigned becasue unindexed and composition uncertain.
General: Phase C.
Literature References
General: Markovskij, Kondrasev, Kapumovskaja. Zh. Obshch. Khim. 23 433 (1955)

2.
2.1
Card Information
Names: Magnesium Boron
Magnesium boride
Formula: Mg1.93 B14
PDF Number: 89-1534
Quality: calculated
Subfiles: inorganic alloy FIZ
Cell and Symmetry Information
System: orthorhombic Space Group: Imcm    (no. 0)
a: 5.970 b: 8.125 c: 10.480
Density (Dm): 2.590 Density (Dx): 2.590 Z: 4
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 0.27
Comments and Additional Information
ICSD Number: 086397
RM X-ray diffraction (powder)
Temperature factor: ITF
TI Crystal structure of magnesium heptaboride Mg2 B14
WY j2 h3 e c (IMAM)
Analysis: Mg2.01 B14
AF NO7
Literature References
General:    Calculated from ICSD using POWD-12++          ( )
Structure: Guette, A., Barret, M., Naslain, R.,Hagenmuller, P., Tergenius, L.E., Lundstrom,T. J. Less-Common Met. 82 325 (1981)

2.2
Card Information
Names: Magnesium Boron
Magnesium boride
Formula: Mg0.97 B7
PDF Number: 89-3776
Quality: calculated
Subfiles: inorganic alloy FIZ
Cell and Symmetry Information
System: orthorhombic Space Group: Imma    (no.  74)
a: 5.970 b: 10.480 c: 8.125
Density (Dm): 2.590 Density (Dx): 2.590 Z: 8
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 0.33
Comments and Additional Information
ICSD Number: 044441
TT At least one TF missing.
TI Crystal structure of magnesium heptaboride
WY j2 h3 e d (IMMA)
AF NO7
Literature References
General:    Calculated from ICSD using POWD-12++          ( )
Structure: Guette, A., Barret, M., Naslain, R.,Hagenmuller, P., Tergenius, R.-E.,Lundstroem, T. J. Less-Common Met. 82 325 (1981)

2.3
Card Information
Names: Boron Magnesium
Formula: B7 Mg
PDF Number: 65-4960
Quality: calculated
Subfiles: inorganic alloy NST
Cell and Symmetry Information
System: orthorhombic Space Group: Imam    (no.  74)
a: 5.970 b: 8.125 c: 10.480
Density (Dm): 2.590 Density (Dx): 2.590 Z: 8
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 0.27
Comments and Additional Information
MC N AL7821    1526
RM Rietveld refinement
Temperature factor: IB=B,Mg
EN Mg2
Literature References
General:    Calculated from NIST using POWD-12++          ( )
Structure: A.Guette,M.Barret,R.Naslain,P.Hagenmuller,L.-.Tergenius & T.Lunstrom J. Less-Common Met. 82 325 (1981)

3.
Card Information
Names: Boron Magnesium
Formula: Mg B6
PDF Number: 15-298
Quality: questionable
Subfiles: inorganic alloy
Cell and Symmetry Information
System: unknown
Instrument Information
Radiation: CuKa Wavelength: 1.5418    Filter: Ni
Instrument(d): unknown
Instrument(I): visual estimate I type: unknown
Comments and Additional Information
General: Phase occurs between 900 and 1250 C.
General: Theoretical composition (wt.%): Mg 27.2, B 72.8.
Quality: O assigned because unindexed.
Literature References
General: Durhart. Ann. Chim. (Rome) 7 339 (1962)

4.
4.1
Card Information
Names: Boron Magnesium
Formula: B4 Mg
PDF Number: 15-299
Quality: unknown
Subfiles: inorganic alloy
Cell and Symmetry Information
System: orthorhombic Space Group: Pnam    (no.  62)
a: 5.464 b: 7.472 c: 4.428
Density (Dm): 2.490 Density (Dx): 2.482 Z: 4
Instrument Information
Radiation: CuKa Wavelength: 1.5418    Filter: Ni
Instrument(d): unknown
Instrument(I): visual estimate I type: unknown
Comments and Additional Information
Colour: Black
General: Naslain states Debye-Scherrer pattern agrees with data of Durhart.
Literature References
General: Durhart. Ann. Chim. (Rome) 7 339 (1962)
Unit Cell: Naslain et al. J. Solid State Chem. 8 68 (1973)

4.2
Card Information
Names: Magnesium Boron
Magnesium boride
Formula: Mg B4
PDF Number: 73-1014
Quality: calculated
Subfiles: inorganic alloy COR FIZ
Cell and Symmetry Information
System: orthorhombic Space Group: Pnam    (no.  62)
a: 5.46400 b: 7.47200 c: 4.42800
Density (Dm): 2.495 Density (Dx): 2.482 Z: 4
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 0.78
Comments and Additional Information
ICSD Number: 023460
Temperature factor: ATF
TI Structure cristalline de tetraborure de magnesium
WY d c3 (PNAM)
AF NO4
Literature References
General:    Calculated from ICSD using POWD-12++          (1997)
Structure: Guette, A., Naslain, R., Galy, J. C. R. Seances Acad. Sci., Ser. C  275 41 (1972)

5.
5.1
Card Information
Names: Boron Magnesium
Formula: Mg B2
PDF Number: 38-1369
Quality: star
Subfiles: inorganic alloy CP  NBS
Cell and Symmetry Information
System: hexagonal Space Group: P6/mmm (no. 191)
a: 3.0864 c: 3.5215
Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.5405981 Filter: Graph
Instrument(d): diffractometer Cut Off: 17.7 Standard: W
Instrument(I): diffractometer I type: peak heights
Comments and Additional Information
Source: The sample was obtained from Alfa Products/Thiokol Ventron Division, Danvers, Massachusetts, USA.  It contained a very small amount of magnesium d=2.440 (I<3) and unidentified reflections at d=3.15, 1.22, 0.943, 0.861 and 0.835 with I<2.
Colour: Dark grayish brown
Structure: The structure was determined by Jones and Marsh (1).
Temperature: Mean temperature of data collection was 23.8 C.
Pattern: To replace 00-006-0640.
Analysis: SEM with Energy Dispersive Spectrometer (EDS) indicated no impurity.
Literature References
General: Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid          (1987)
Unit Cell: Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A. Powder Diffraction 3 54 (1988)
Structure: 1. Jones, M., Marsh, R. J. Am. Chem. Soc. 76  1434 (1954)

5.2
Card Information
Names: Boron Magnesium
Formula: B2 Mg
PDF Number: 65-3383
Quality: calculated
Subfiles: inorganic alloy NST
Cell and Symmetry Information
System: hexagonal Space Group: P6/mmm (no. 191)
a: 3.0840 c: 3.5220
Density (Dm): 2.667 Density (Dx): 2.629 Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 2.42
Comments and Additional Information
MC N AL4907    1525
Temperature factor: IB=Mg,B
Pattern: See PDF 01-074-0982.
Literature References
General:    Calculated from NIST using POWD-12++          ( )
Structure: L.Markovskii Dokl. Akad. Nauk SSSR  100  1095 (1955)

5.3
Card Information
Names: Magnesium Boron
Magnesium boride
Formula: Mg B2
PDF Number: 74-982
Quality: calculated
Subfiles: inorganic alloy COR FIZ
Cell and Symmetry Information
System: hexagonal Space Group: P622    (no. 177)
a: 3.0834 c: 3.5213
Density (Dm): 2.620 Density (Dx): 2.630 Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 2.29
Comments and Additional Information
ICSD Number: 026675
TT At least one TF missing.
TI The Preparation and Structure of Magnesium Boride, Mg B2
Pattern: See PDF 03-065-3383 and 00-038-1369.
OC Cell from  Acta Crystallogr., 6  870 (1953): 3.084, 3.522, Dm=2.667.
WY d a (P6/MMM)
AF NO2
Literature References
General:    Calculated from ICSD using POWD-12++          (1997)
Structure: Jones, M.E., Marsh, R.E. J. Am. Chem. Soc. 76  1434 (1954)

3楼2013-11-05 15:23:34

xhtangxh

木虫 (著名写手)

有木有虫

CMEI: 6
应助: 773 (博后)
金币: 17832.4
红花: 107
帖子: 2676
在线: 599.3小时
虫号: 428580
注册: 2007-08-04
专业: 催化化学

【答案】应助回帖

B-Al二元合金：

1.
Card Information
Names: beta-Aluminum Boron
Formula: Al B12
PDF Number: 12-639
Quality: indexed
Subfiles: inorganic alloy CP
Cell and Symmetry Information
System: orthorhombic Space Group: Imma    (no.  74)
a: 12.34 b: 12.63 c: 10.16
Density (Dm): 2.600 Density (Dx): 2.600 Z: 15
Instrument Information
Radiation: CuKa1 Wavelength: 1.5405    Filter: Ni
Instrument(d): unknown
Instrument(I): diffractometer I type: unknown
Comments and Additional Information
General: Space group determined from single-crystal data.
Melting Point: 2200 C in helium
Lines: Plus 26 additional reflections to 1.2132.
General: Matkovich et al., call the phase Al3 B48 C2 [ J. Am. Chem. Soc., 86  2337 (1964)].
General: Becher and Neidhard say <0.2 Si causes the formation of this beta-type structure [ Acta Crystallogr., Sec. B , 24  280 (1968)].
Literature References
General: Kohn, Eckart. Anal. Chem. 32 296 (1960)

2.
Card Information
Names: alpha-Aluminum Boron
Formula: Al B12
PDF Number: 12-640
Quality: indexed
Subfiles: inorganic alloy CP
Cell and Symmetry Information
System: tetragonal Space Group: P43212 (no.  96)
a: 10.16 c: 14.28
Density (Dm): 2.557 Density (Dx): 2.540 Z: 14.4
Instrument Information
Radiation: CuKa1 Wavelength: 1.5405    Filter: Ni
Instrument(d): unknown
Instrument(I): diffractometer I type: unknown
Comments and Additional Information
General: Space group determined from single-crystal data.
Melting Point: 2150 C in helium
Unit Cell: Yannoni,  Diss. Abstr., 22  1032 (1961) reports: a=10.17, c=14.28, D=2.55, Z=15.6-16.0 for Al B11.
Unit Cell: Serebryanskii, Epel'baum,  J. Struct. Chem. (USSR), 2 692 (1961) reports: a=10.15, c=14.29, D=2.62 for alpha-Al B12.
Lines: Plus 12 reflections to 1.1209.
Pattern: To replace 00-016-0278.
General: PSC: tP216 for filled cell.
Literature References
General: Kohn, Eckart. Anal. Chem. 32 296 (1960)

3.
Card Information
Names: gamma-Aluminum Boride
Formula: Al B12
PDF Number: 65-5975
Quality: calculated
Subfiles: inorganic alloy NST
Cell and Symmetry Information
System: orthorhombic Space Group: P212121  (no.  19)
a: 16.623 b: 17.540 c: 10.180
Density (Dx): 2.549 Z: 29
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 0.05
Comments and Additional Information
MC A 50412  ST787    0
Temperature factor: TF was not given, B set to 1.000 for calc.
Preparation: see J.A. Kohn and D.W. Eckart, Z.Kristal.,116(1961)134
Structure: Kagome nets and the interleaving triangular net frame with truncated tetrahedral holes
RM Real composition is Al27.88B352.
TI Icosahedral boron framework. The structure of gamma-AlB12
Literature References
General:    Calculated from NIST using POWD-12++          ( )
Structure: Hughes, R.E, Leonowicz, M.E., Lemley, J.T.,Tai, L.-T. J. Am. Chem. Soc. 99  5507 (1977)

4.
Card Information
Names: Aluminum Boron
Formula: Al13.35 B176
PDF Number: 65-4736
Quality: calculated
Subfiles: inorganic alloy NST
Cell and Symmetry Information
System: tetragonal Space Group: P43212 (no.  96)
a: 10.161 c: 14.283
Density (Dm): 2.650 Density (Dx): 2.548 Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 0.11
Comments and Additional Information
MC N AL3269    220
Temperature factor: IB=B,Al
EN Al(2) z=.3030
Literature References
General:    Calculated from NIST using POWD-12++          ( )
Structure: J.S.Kasper,M.Vlasse & R.Naslain J. Solid State Chem. 20 281 (1977)

5.
Card Information
Names: Aluminum Boron
aluminium boride
Formula: ( Al0.942 B10 )5.2
PDF Number: 72-47
Quality: calculated
Subfiles: inorganic alloy COR FIZ
Cell and Symmetry Information
System: orthorhombic Space Group: Bbmm    (no.  63)
a: 8.88100 b: 9.10000 c: 5.69000
Density (Dm): 2.537 Density (Dx): 2.501 Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 0.19
Comments and Additional Information
ICSD Number: 015354
TT Calcul. formula slightly deviates from input.
TT Calc. density unusual but tolerable.
TT At least one TF implausible.
Temperature factor: ITF
TI Crystal structure analysis of Al B10 by the convolution molecule method
WY h2 g2 f4 c b (BBMM)
Analysis: Al B10
AF NO18
Literature References
General:    Calculated from ICSD using POWD-12++          (1997)
Structure: Will, G. Acta Crystallogr. 23  1071 (1967)

6.
Card Information
Names: Aluminum Boron
Aluminium boride
Formula: Al B31
PDF Number: 80-621
Quality: calculated
Subfiles: inorganic alloy COR FIZ
Cell and Symmetry Information
System: rhombohedral Space Group: R-3m    (no. 166)
a: 10.965 c: 23.868
Density (Dx): 2.411 Z: 10
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 0.24
Comments and Additional Information
ICSD Number: 068424
Temperature factor: ITF
TI Single-crystal X-ray diffraction study of Al B31 of the beta-rhombohedral boron structure
WY i6 h10 c2 b (R3-MH)
AF N10O309
Literature References
General:    Calculated from ICSD using POWD-12++          (1997)
Structure: Higashi, I., Iwasaki, H., Ito, T., Lundstrom,T., Okada, S., Tergenius, L.-E. J. Solid State Chem. 82 230 (1989)

7.
Card Information
Names: Boron Aluminum
Formula: Al B10
PDF Number: 15-617
Quality: unknown
Subfiles: inorganic alloy
Cell and Symmetry Information
System: orthorhombic Space Group: Bbmm    (no.  63)
a: 8.881 b: 9.100 c: 5.690
Density (Dm): 2.537 Z: 5.2
Instrument Information
Radiation: CuKa Wavelength: 1.5418    Filter: Ni
Instrument(d): unknown
Instrument(I): densitometer I type: unknown
Comments and Additional Information
General: Pseudotetragonal.
General: Single-crystal data taken.
General: Eight or nine of the available 66 sites appear to be unoccupied.
General: Structure similar to that for Al C4 B24.  [Will, G.,  Acta Crystallogr., Sec. B , 25  1219 (1969)].
Literature References
General: Kohn et al. Z. Kristallogr., Kristallgeom., Kristallphys., Kristallchem.  111 53 (1958)
Unit Cell: Will, G. Acta Crystallogr. 23  1071 (1967)

8.
Card Information
Names: Aluminum Boron
Formula: Al B10
PDF Number: 22-2
Quality: questionable
Subfiles: inorganic alloy
Cell and Symmetry Information
System: rhombohedral Space Group: R       (no. 0)
a: 7.835 c: 15.91
Z: 9
Instrument Information
Radiation:          Wavelength:
Instrument(d): unknown
Instrument(I): unknown I type: unknown
Comments and Additional Information
Unit Cell: Rhombohedral cell: a=6.97, alpha=68.4 degrees.
Preparation: Formed by heating Al B10 at 950 C in He atmosphere.
General: High temperature form.
Literature References
General: Will. Z. Kristallogr., Kristallgeom., Kristallphys., Kristallchem.  128 156 (1969)

9.
Card Information
Names: Aluminum Boron
Formula: Al B2
PDF Number: 39-1483
Quality: star
Subfiles: inorganic alloy CP  NBS
Cell and Symmetry Information
System: hexagonal Space Group: P6/mmm (no. 191)
a: 3.0054 c: 3.25276
Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.5405981 Filter: Graph
Instrument(d): diffractometer Cut Off: 17.7 Standard: Si
Instrument(I): diffractometer I type: peak heights
Comments and Additional Information
Source: The sample was provided by the National Bureau of Standards, Maryland, USA.
Structure: alpha-Al2 O3 was present as a minor phase impurity. The structure of Al B2 was determined by Marcantonia and Mondolfo (1).
Pattern: To replace 00-009-0154.
Temperature: The mean temperature was 25 C.
Literature References
General: Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid          (1988)
Unit Cell: Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A. Powder Diffraction 3 180 (1988)
Structure: 1. Marcantonio, J., Mondolfo, L. J. Inst. Met. 98 23 (1970)

10.
Card Information
Names: Aluminum Boron
Formula: Al27.87 B352
PDF Number: 65-1354
Quality: calculated
Subfiles: inorganic alloy NST
Cell and Symmetry Information
System: orthorhombic Space Group: P212121  (no.  19)
a: 16.623 b: 17.540 c: 10.180
Density (Dm): 2.560 Density (Dx): 2.549 Z: 1
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 0.05
Comments and Additional Information
MC N AL1225    216
Temperature factor: IB=Al,B
Literature References
General:    Calculated from NIST using POWD-12++          ( )
Structure: R.E.Hughes,M.E.Leonowicz,J.T.Lemley & L.-T.Ta J. Am. Chem. Soc. 99  5507 (1977)

4楼2013-11-05 15:48:34

xhtangxh

木虫 (著名写手)

有木有虫

CMEI: 6
应助: 773 (博后)
金币: 17832.4
红花: 107
帖子: 2676
在线: 599.3小时
虫号: 428580
注册: 2007-08-04
专业: 催化化学

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gcz952849979: 金币+100, ★★★★★最佳答案 2013-11-26 14:51:05

Mg-Al二元合金：

1.
Card Information
Names: beta-Aluminum Magnesium
Formula: Al Mg
PDF Number: 3-877
Quality: questionable
Subfiles: inorganic alloy CP  EDU
Cell and Symmetry Information
System: cubic Space Group: Fd-3m (no. 227)
a: 28.285
Z: 233.6
Instrument Information
Radiation: CrKa Wavelength: 2.2909
Instrument(d): unknown
Instrument(I): visual estimate I type: unknown
Comments and Additional Information
General: Composition approximately Al3 Mg2.
Quality: O assigned because front reflections missing.
Literature References
General: Perlitz. Trans. Chalmers Univ. Tech., Gothersburg, Sweden 50    6 (1946)

2.
2.1
Card Information
Names: Aluminum Magnesium
Formula: Al3 Mg2
PDF Number: 29-48
Quality: calculated
Subfiles: inorganic alloy CP  EDU SCM
Cell and Symmetry Information
System: cubic Space Group: Fd-3m (no. 227)
a: 28.239
Density (Dx): 2.237 Z: 233.6
Instrument Information
Radiation: CuKa1 Wavelength: 1.54056
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
Comments and Additional Information
Pattern: To replace 00-018-0034.
Literature References
General: Smith, D., Yu, Penn State Univ., UniversityPark, PA, USA. ICDD Grant-in-Aid          (1975)
Unit Cell: Samson, S. Acta Crystallogr. 19 401 (1965)

2.2
Card Information
Names: Aluminum Magnesium
Formula: Mg2 Al3
PDF Number: 40-903
Quality: unknown
Subfiles: inorganic alloy
Cell and Symmetry Information
System: hexagonal Space Group: P       (no. 0)
a: 5.73 c: 9.54
Z: 2.8
Instrument Information
Radiation:          Wavelength:
Instrument(d): unknown
Instrument(I): unknown I type: unknown
Comments and Additional Information
Preparation: Alloy produced by rapid quenching.
General: More probable formula based on cell and atom sizes is Mg3 Al4.
Literature References
General: Rajasekharan, T., Akhtar, D., Gopalan, R.,Muraleedharan, K. Nature (London)  322 528 (1986)

3.
Card Information
Names: Aluminum Magnesium
Formula: Al2 Mg
PDF Number: 34-1035
Quality: unknown
Subfiles: inorganic alloy
Cell and Symmetry Information
System: tetragonal Space Group: I41/amd  (no. 141)
a: 4.132 c: 26.602
Density (Dx): 2.290 Z: 8
Instrument Information
Radiation: CuKa Wavelength: 1.54178    Filter: Ni
Instrument(d): Debye-Scherrer Standard: Si
Instrument(I): visual estimate I type: unknown
Comments and Additional Information
Preparation: Prepared from 99.99% pure metals by melting together, casting, hot working and homogenization for 20 hours at 350 C, followed by liquisol quenching.
Literature References
General: Suryanarayana, C. et al. Z. Metallkd. 69 155 (1978)

4.
Card Information
Names: Aluminum Magnesium
Formula: Al0.58 Mg0.42
PDF Number: 44-1154
Quality: unknown
Subfiles: inorganic alloy
Cell and Symmetry Information
System: hexagonal Space Group: P63/mmc  (no. 194)
a: 7.65 c: 19.85
Z: 52
Instrument Information
Radiation: CoKa Wavelength: 1.7902
Instrument(d): diffractometer Standard: Si
Instrument(I): diffractometer I type: unknown
Comments and Additional Information
Preparation: Prepared by melting the elements in an alumina crucible under argon, then rapidly solidifying by chill casting and forming into a ribbon using the single roller method.
General: Phase X.
General: Metastable phase.
General: Space group and indexing assigned by editor on basis of single-crystal data for Al3 Mg2 phase.
Literature References
General: Kobayashi, K., Awazu, T., Shingu, P. Trans. Jpn. Inst. Met. 28 934 (1987)
Unit Cell: Arhtar, D., Gopalan, R., Rajasekhran, T. Z. Metallkd. 78 201 (1987)

5.
Card Information
Names: epsilon-Aluminum Magnesium
Formula: Al0.56 Mg0.44
PDF Number: 51-799
Quality: star
Subfiles: inorganic alloy
Cell and Symmetry Information
System: rhombohedral Space Group: R-3    (no. 148)
a: 12.8482 c: 21.7989
Density (Dx): 2.280 Z: 166
Instrument Information
Radiation: CuKa1 Wavelength: 1.5406
Instrument(d): diffractometer Cut Off: 4.5
Instrument(I): diffractometer I type: unknown
Comments and Additional Information
Preparation: A mixture of Al and Mg (55.3 at.% Al) was melted 3 times under argon and then the ingot was annealed at 350 C for 260 hours.
Unit Cell: Reference reports: a=12.8254, c=21.7478.
General: Cell parameters generated by least squares refinement.
General: Forms by a peritectoid reaction at 410 C.
General: Phase is stable between 250-400 C. Metastable at room temperature.
Pattern: See 00-044-1154 for experimental data from a material with similar composition.
Literature References
General: Su, H., Harmelin, M., Donnadieu, P.,Baetzner, C., Seifert, H., Lukas, H.,Effenberg, G., Aldinger, F. J. Alloys Compds.  247 57 (1997)
Unit Cell: Samson, S., Gordon, K. Acta Crystallogr., Sec. B 24  1004 (1968)

6.
Card Information
Names: Aluminum Magnesium
Formula: Al3.16 Mg1.84
PDF Number: 65-6848
Quality: calculated
Subfiles: inorganic alloy NST
Cell and Symmetry Information
System: cubic Space Group: Fm-3m (no. 225)
a: 4.2155
Density (Dx): 2.305 Z: 0.8
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 4.13
Comments and Additional Information
MC L 3833  13463    03
Temperature factor: TF was not given, B set to 1.000 for calc.
Preparation: The alloys were prepared by induction melting in crucibles under an argon atmosphere.
RM metastable phase. sample composition is Al3.16Mg1.84.
TI Metastable Solid Solutions in Aluminum-Magnesium Alloys
Literature References
General:    Calculated from NIST using POWD-12++          ( )
Structure: Luo, H. L., Chao, C. C., Duwez, P. Trans. Met. Soc. AIME  230  1488 (1964)

7.
Card Information
Names: Aluminum Magnesium
Formula: Al0.9 Mg3.1
PDF Number: 65-7561
Quality: calculated
Subfiles: inorganic alloy NST
Cell and Symmetry Information
System: hexagonal Space Group: P63/mmc  (no. 194)
a: 3.1210 c: 5.0915
Density (Dx): 1.926 Z: 0.5
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated
Instrument(I): calculated I type: peak heights
I/Icor: 3.83
Comments and Additional Information
MC L 3834  13464    03
Temperature factor: TF was not given, B set to 1.000 for calc.
Preparation: The alloys were prepared by induction melting in crucibles under an argon atmosphere.
RM metastable phase. sample composition is Al0.9Mg3.1.
TI Metastable Solid Solutions in Aluminum-Magnesium Alloys
Literature References
General:    Calculated from NIST using POWD-12++          ( )
Structure: Luo, H. L., Chao, C. C., Duwez, P. Trans. Met. Soc. AIME  230  1488 (1964)

8.
Card Information
Names: Aluminum Magnesium
Aluminium magnesium
Formula: Al12 Mg17
PDF Number: 73-1148
Quality: calculated
Subfiles: inorganic alloy COR FIZ
Cell and Symmetry Information
System: cubic Space Group: I-43m (no. 217)
a: 10.54380
Density (Dx): 2.088 Z: 2
Instrument Information
Radiation: CuKa1 Wavelength: 1.54060
Instrument(d): calculated Cut Off: 17.7
Instrument(I): calculated I type: peak heights
I/Icor: 2.41
Comments and Additional Information
ICSD Number: 023607
Temperature factor: ITF
TI Neutronenbeugungsuntersuchung der Atomverteilung von Mg17 Al12
WY g2 c a (I4-3M)
AF N12O17
Literature References
General:    Calculated from ICSD using POWD-12++          (1997)
Structure: Schobinger-Papamantellos, P., Fischer, P. Naturwissenschaften 57 128 (1970)

5楼2013-11-05 15:58:58

gcz952849979

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引用回帖:

5楼: Originally posted by xhtangxh at 2013-11-05 15:58:58
Mg-Al二元合金：

1.
Card Information
Names: beta-Aluminum Magnesium
Formula: Al Mg
PDF Number: 3-877
Quality: questionable
Subfiles: inorganic alloy CP EDU
Cell and Symmetry Information
Sy ...

请问这是那上面查阅的，怎么通过您给出的查看具体的每种晶体，除了看此参考文献（由于文献太老了，可能下载不到了），感谢您的答复。

6楼2013-11-06 10:59:38

xhtangxh

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有木有虫

CMEI: 6
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帖子: 2676
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虫号: 428580
注册: 2007-08-04
专业: 催化化学

引用回帖:

6楼: Originally posted by gcz952849979 at 2013-11-06 10:59:38
请问这是那上面查阅的，怎么通过您给出的查看具体的每种晶体，除了看此参考文献（由于文献太老了，可能下载不到了），感谢您的答复。...

找个XRD分析软件，装入粉末衍射数据库按元素组合法直接检索就可以查到的。也可以直接上ICDD官方网页根据上面给出的PDF Number查。

7楼2013-11-06 12:19:41