| ²é¿´: 683 | »Ø¸´: 8 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
[½»Á÷]
ÇóÖúÒ»¸ö ¹ØÓÚ½çÃæµÄÎÊÌâ
|
|||
| Äý¹Ì¹ý³ÌÖÐΪʲô֦¾§ÑØ×ŹÌÒº½çÃæÄÜ´óµÄ·½ÏòÉú³¤? |
» ²ÂÄãϲ»¶
366Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
²ÄÁϹ¤³Ì085601£¬270Çóµ÷¼Á
ÒѾÓÐ37È˻ظ´
279ѧ˶ʳƷרҵÇóµ÷¼ÁԺУ
ÒѾÓÐ18È˻ظ´
290µ÷¼ÁÉúÎï0860
ÒѾÓÐ31È˻ظ´
Ò»Ö¾Ô¸085802 323·ÖÇóµ÷¼Á
ÒѾÓÐ13È˻ظ´
277Çóµ÷¼Á
ÒѾÓÐ23È˻ظ´
322Çóµ÷¼Á£¬08¹¤¿Æ
ÒѾÓÐ4È˻ظ´
²ÄÁϹ¤³Ì281»¹Óе÷¼Á»ú»áÂð
ÒѾÓÐ30È˻ظ´
»¯Ñ§070300 Çóµ÷¼Á
ÒѾÓÐ16È˻ظ´
»¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô
ÒѾÓÐ12È˻ظ´
|
Dendrites typically grow along the direction corresponding to the maximum in r. For fcc metals, the growth direction is generally [100]; The quantity r is defined as the reversible work necessary to form a unit area of crystal¨Cmelt interface. ÕâÊdzö×Ô"Crystal¨CMelt Interfaces and Solidification Morphologies in Metals and Alloys", Æäʵ2¥˵µÄÒ²ÕýÊÇÎÒÎʵÄÔÒò. |
4Â¥2007-06-28 20:43:44
huqifang
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 681.5
- Ìû×Ó: 311
- ÔÚÏß: 21·ÖÖÓ
- ³æºÅ: 250535
- ×¢²á: 2006-05-13
- ÐÔ±ð: GG
- רҵ: ½ðÊô½á¹¹²ÄÁÏ
|
Äý¹Ì¹ý³ÌÖÐΪʲô֦¾§ÑØ×ŹÌÒº½çÃæÄÜ´óµÄ·½ÏòÉú³¤????? ²»¿ÉÄܰɣ¿£¿£¿£¿Ó¦¸ÃÊÇÑØ×ŹÌÒº½çÃæÄÜ×îСµÄ·½ÏòÉú³¤²Å¶Ô£¡ÇëÈ·ÈÏһϣ¡ÑعÌÒº½çÃæÄÜ×îСµÄ·½ÏòÉú³¤ºÜÈÝÒ×Àí½â£¬ÒòΪÄý¹ÌÊÇÒ»¸öÏà±ä¹ý³Ì£¬¶øÐÂÏàÉú³É»áÐγÉеĽçÃæ£¬½çÃæÓнçÃæÄÜ£¬´Ó¶øÔö¼ÓÕû¸öÌåϵµÄ×ÔÓÉÄÜ£¬ËùÒÔ¸ÃÐèÒªÍâ½çÌṩÄÜÁ¿¶ÔËü×÷¹¦£¬Òò´ËÑØ×ÅÑØ¹ÌÒº½çÃæÄÜ×îСµÄ·½Ïò³¤ËùÐèÒªµÄÄÜÁ¿×îµÍ¡£ |
2Â¥2007-06-28 19:27:57
ahaxin
½ð³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1017.8
- Ìû×Ó: 24
- ÔÚÏß: 14.2Сʱ
- ³æºÅ: 241142
- ×¢²á: 2006-04-09
- רҵ: ½ðÊô»ù¸´ºÏ²ÄÁÏ
3Â¥2007-06-28 20:06:09
FLY_Phoenix
ÈÙÓþ°æÖ÷ (Ö°Òµ×÷¼Ò)
Сľ³æ¹éÒþ´«µÀÊ¿
- Ó¦Öú: 12 (СѧÉú)
- ¹ó±ö: 0.9
- ½ð±Ò: 6070.7
- É¢½ð: 311
- ºì»¨: 16
- ɳ·¢: 1
- Ìû×Ó: 4257
- ÔÚÏß: 229.4Сʱ
- ³æºÅ: 368622
- ×¢²á: 2007-05-12
- ÐÔ±ð: GG
- רҵ: ½ðÊô½á¹¹²ÄÁÏ
- ¹ÜϽ: ½ðÊô

5Â¥2007-06-29 02:05:40













»Ø¸´´ËÂ¥