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2Â¥2012-04-28 13:10:23
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Search Results 0 records found in Compendex for: (((Effects of Zr Modification) WN KY) AND ((Li Fang) WN AU)), 1884-2012 Your search retrieved 0 records. Check to make sure that you have entered valid search terms, or try broadening your search. |

3Â¥2012-04-28 13:13:44
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4Â¥2012-04-28 13:17:59
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6Â¥2012-04-28 13:27:54
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7Â¥2012-04-28 13:36:02
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Accession number: 12580620 Title: Effects of Zr Modification and Heat Treatment on Microstructure and Properties of ZA27 Alloy Authors: Li Fangping1 ; Yu Wenbin1 ; Qin Bing1 ; Du Darning2 Author affiliation: 1 Sch. of Mater. Sci. & Eng., South- western Univ., Chongqing, China 2 Sch. of Mech. & Mater. Eng., Jiujiang Univ., Jiujiang, China Source title: Special Casting & Nonferrous Alloys Abbreviated source title: Spec. Cast. Nonferr. Alloys (China) Volume: 31 Issue: 5 Publication date: 2011 Pages: 476-9 Language: Chinese ISSN: 1001-2249 CODEN: TZJHEE Document type: Journal article (JA) Publisher: Editorial Board of Special Casting & Nonferrous Alloys Country of publication: China Material Identity Number: FY23-2011-007 Abstract: ZA27 alloy ingot containing 0. 2% or 0. 5% Zr was prepared, and the prepared alloy was treated by solid solution at 370 ¡ãC for 12 hours and artificial aging at 100¡ãC. The results show that 0. 2% Zr can apparently modify the ZA27 alloy by transforming developed dendrite into fine rosette grain, however, 0. 5% Zr content can fade the modification effects as a result of generation of coarse rod-like Al3Zr phase. After solid solution treatment, supersaturated primary ¦Á', phase is transformed into fine (¦Á + ¦Ç) phase in the alloy, meanwhile, a little CuZns phase is found in ¦Á grain boundary, ¦Á grain in the alloy with 0. 2% Zr addition exhibits more uniformity and fine. In addition, Zr modification can significantly improve the peak hardness of the aged alloy, and postpone the corresponding aging time at 100 'C. Number of references: 18 Inspec controlled terms: ageing - aluminium alloys - copper alloys - grain boundaries - hardness - heat treatment - ingots - solid solutions - zirconium alloys Uncontrolled terms: heat treatment - microstructure - ZA27 alloy ingot - solid solution - artificial aging - grain boundary - hardness - temperature 370 degC - time 12 h - temperature 100 degC Inspec classification codes: A8140N Fatigue, embrittlement, and fracture - A8140G Other heat and thermomechanical treatments - A6170N Grain and twin boundaries - A6220M Fatigue, brittleness, fracture, and cracks Numerical data indexing: temperature 6.4315E+02 K;time 4.32E+04 s;temperature 3.7315E+02 K Chemical indexing: Al/ss Cu/ss Zr/ss Treatment: Experimental (EXP) Discipline: Physics (A) DOI: 10.3870/tzzz.2011.05.027 Database: Inspec IPC Code: C22F1/00 |
8Â¥2012-04-28 13:42:26
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9Â¥2012-04-28 13:48:39
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