Znn3bq.jpeg
²é¿´: 823  |  »Ø¸´: 3
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

СÀ¼»¨

Òø³æ (ÖøÃûдÊÖ)

[½»Á÷] Çë¸ßÊÖ°ïÈóÉ«£¨²¹³ä£©Ò»¾ä»°µÄ·­Ò룡

ÔÚ³õʼ½×¶Î£¬µ±¾§Á£ÔÚ³¤´ó¹ý³ÌÖÐÓöµ½µÚ¶þÏàÁ£×Óʱ£¬¾§Á£±ß½ç±»µÚ¶þÏàÁ£×Ó¶¤Ôú£¬ËùÓÐÁ£×ÓλÓÚ¾§½ç´¦Ëæ×ž§Á£²»¶Ï³¤´ó£¬ÉÙÊý¾§Á£µÄ¾§½çÄܹ»°ÚÍѵڶþÏàÁ£×ӵͤÔú¡£Ëæ×ž§Á£µÄÑÝ»¯£¬¾§½çÖð½¥Æ½Ö±£¬Æä°ÚÍѵڶþÏàÁ£×Ó¶¤ÔúµÄÇý¶¯Á¦Ò²±äµÃÔ½À´Ô½Èõ¡£ËùÒÔ£¬ÔÚ×îÖյõ½µÄ΢¹Û×éÖ¯ÖУ¬´ó¶àÊýµÚ¶þÏàÁ£×ÓÈÔλÓÚ¾§½ç´¦£¬¾§½ç¾ù³ÊƽֱÐΡ£

·­Ò룺
    In an early stage all particles are located at grain boundary, which can escape from some of the particles during grain growth, but easily become straight and therefore lack the driving pressure to pass the particles. Consequently, most of the particles are still located at GB in the final microstructure, with all grain boundaries straight.

Çë¸ßÊÖ°ïÈóÉ«£¨²¹³ä£©·­Ò룡·Ç³£¸Ðл£¡£¡

» ²ÂÄãϲ»¶

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zerohead

½û³æ (Ö°Òµ×÷¼Ò)

СÀ¼»¨(½ð±Ò+3):¶àл°ï棡 ·Ç³£¸Ðл£¡ 2010-07-07 11:47:10
In the early stage of crystal growth,...

[ Last edited by zerohead on 2010-7-7 at 12:22 ]
2Â¥2010-07-07 09:53:04
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hust_gaoyi

½ð³æ (ÕýʽдÊÖ)

СÀ¼»¨(½ð±Ò+9, ·­ÒëEPI+1):ллhust_gaoyi µÄ Ôٴΰïæ£¡ ºÇºÇ 2010-07-07 11:46:54
At the initial stage of grain growth, if a grain comes across a second-phase particle, its grain boundary is pinned and the particles located at the grain boundary will grow with the grain while a few grains can escape from the pin of second-phase particle. With the evolvement of the grain, the grain boundary will be gradually straightened with smaller and smaller driving pressure for passing the crystalline particles. Consequently, most of the particles are still located at GB in the finally-gained microstructure, with all grain boundaries being straight.
3Â¥2010-07-07 10:28:39
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hust_gaoyi

½ð³æ (ÕýʽдÊÖ)

ÁíÍ⣬°ÑÕâ¾ä¸ÄÏ»á¸üºÃ£º
if a grain comes across a second-phase particle, its grain boundary is (¸Ä³É will be) pinned
4Â¥2010-07-07 12:12:12
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ СÀ¼»¨ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0854µ÷¼Á +6 ³¤¹­°Á 2026-04-09 6/300 2026-04-09 11:16 by 2451080013
[¿¼ÑÐ] һ־Ը³¶«´óѧ071000ÉúÎïѧѧ˶³õÊÔ·ÖÊý276Çóµ÷¼Á +15 Ľ¾øcc 2026-04-09 19/950 2026-04-09 10:40 by zhjsh86521
[¿¼ÑÐ] Çóµ÷¼Á +3 ÖíÈâ¶Õ·ÛÌõcc 2026-04-08 4/200 2026-04-09 10:05 by ÖíÈâ¶Õ·ÛÌõcc
[¿¼ÑÐ] 0703µ÷¼Á +17 ʰ¾ÁÒ¼ 2026-04-04 19/950 2026-04-09 09:18 by may_ÐÂÓî
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤£¬Çóµ÷¼Á +7 won_qii 2026-04-07 7/350 2026-04-09 09:05 by ±£±¼³¬°®Ñ§Ï°
[¿¼ÑÐ] ÍÁľˮÀûר˶276·ÖÇóµ÷¼Á +6 ÎÒÏëÉÏѧ£¡£¡6 2026-04-05 9/450 2026-04-08 17:45 by ËÎС±¦HQ
[¿¼ÑÐ] 298Çóµ÷¼Á +4 manman511 2026-04-05 4/200 2026-04-08 16:50 by tjzhao
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì320Çóµ÷¼Á£¬080500 +12 »Æ¹ÏζÊíÆ¬ 2026-04-06 12/600 2026-04-08 16:26 by luoyongfeng
[¿¼ÑÐ] Çó²ÄÁϵ÷¼Á£¬Ò»Ö¾Ô¸Ö£ÖÝ´óѧ289·Ö +21 ˶ÐǸ° 2026-04-03 21/1050 2026-04-08 11:55 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +12 lyz0427 2026-04-03 12/600 2026-04-06 06:37 by houyaoxu
[¿¼ÑÐ] 22408 ×Ü·Ö320£¬Ò»ÆªÂÛÎĶþ×÷£¬Á½¸ö¹úÈý£¬Çóµ÷¼Á +3 Leomulufu 2026-04-04 5/250 2026-04-05 19:04 by chongya
[¿¼ÑÐ] 278Çóµ÷¼Á +14 ·¶æÃÄÈ 2026-04-04 15/750 2026-04-04 22:15 by lqwchd
[¿¼ÑÐ] 298Çóµ÷¼Á +5 zzz£¬£¬r 2026-04-02 8/400 2026-04-04 19:55 by À¶ÔÆË¼Óê
[¿¼ÑÐ] [µ÷¼ÁÐÅÏ¢]085408¹âµçÐÅÏ¢ Çóµ÷¼Á ×Ü·Ö291·ÖÊýÒ»Ó¢Ò» +3 iz11az 2026-04-02 3/150 2026-04-04 19:09 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 321Çóµ÷¼Á +13 ÈÏÕæÇóÉÏѧ 2026-04-02 13/650 2026-04-04 18:23 by macy2011
[¿¼ÑÐ] 309Çóµ÷¼Á +4 ¿ìÀÖµÄС°×¸ë 2026-04-04 5/250 2026-04-04 15:55 by cql1109
[¿¼ÑÐ] ±¾¿Æ211£¬×¨Òµ085404£¬293·ÖÇëÇóµ÷¼Á +5 Á«²Ë¾ÍÊÇź°É 2026-04-04 5/250 2026-04-04 14:08 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 366Çóµ÷¼Á +7 sbdnd 2026-04-03 7/350 2026-04-03 12:40 by cymywx
[¿¼ÑÐ] 285Çóµ÷¼Á +7 AZMK 2026-04-02 9/450 2026-04-03 11:12 by wanwan00
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +4 ÍÃͻͻͻ£¬ 2026-04-02 5/250 2026-04-02 21:16 by ÍÃͻͻͻ£¬
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û