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nwx_ky(½ð±Ò+1): 2011-04-27 19:54:48
zsl_321123(½ð±Ò+1): ¹ÄÀø½»Á÷ 2011-04-29 14:44:48
ÎÒÊÇͨ¹ý̳ÄÚËÑ"µ¯ÐÔÄ£Á¿"ѧµ½Ò»Ð©±ðÈ˾­Ñé, ºÍÄã·ÖÏíÏÂ. Ö÷Ìå˼·ÊÇËãһϵÁÐÌå»ýϵÄÄÜÁ¿, È»ºóÓÃÄǸö״̬·½³ÌÈ¥ÄâºÏ, ¾Í¿ÉÒԵõ½bulk modulus, ƽºâÌå»ý. »¹ÓÐÒ»ÖÖ·½·¨ÊÇÓÅ»¯ºóÑ¡"Elastic constants"¼ÆËã, ¿ÉÒÔ´ÓAnalysisÀïË㵯ÐÔ³£Êý¾ÍÄܵõ½cij ºÍbulk modulusºÍshear modulus.
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zsl_321123(½ð±Ò+1): ¹ÄÀø½»Á÷ 2011-04-29 14:46:25
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Originally posted by nwx_ky at 2011-04-27 09:25:30:
ÎÒÔÙÎÊһϣ¬Ñ¡ÔñElastic constantsÊÇÔÚÓÅ»¯¾§°ûµÄ»ù´¡ÉÏÑ¡»¹ÊÇÔÚÓÅ»¯Ò»¸öÃæµÄ»ù´¡ÉÏÑ¡£¬±ÈÈç˵ÊÇAl(111)Ãæ

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Ŷ¡£ÎÒ¸Õ¸ÕÊÔÁË¡£Ëã³öÀ´ÊÇBulk modulus    =   346.46063 +/-  2.540 (GPa)Âé·³ÎÊÒ»ÏÂÕâ¸öÊýÔõ¶Á¡£»¯³ÉMbar,Ê®·ÖллÄã¡£ÔÙÓоÍÊÇcohesive energyÔõôËã¡£ÎÒÊÇÐÂÊÖ¡£É¶¶¼²»»á£¬¶àлָµã
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nwx_ky(½ð±Ò+1): 2011-04-27 15:55:46
nwx_ky(½ð±Ò+1): 2011-04-28 08:43:50
zsl_321123(½ð±Ò+1): ¹ÄÀø½»Á÷ 2011-04-29 14:46:42
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Originally posted by nwx_ky at 2011-04-27 09:58:08:
Ŷ¡£ÎÒ¸Õ¸ÕÊÔÁË¡£Ëã³öÀ´ÊÇBulk modulus    =   346.46063 +/-  2.540 (GPa)Âé·³ÎÊÒ»ÏÂÕâ¸öÊýÔõ¶Á¡£»¯³ÉMbar,Ê®·ÖллÄã¡£ÔÙÓоÍÊÇcohesive energyÔõôËã¡£ÎÒÊÇÐÂÊÖ¡£É¶¶¼²»»á£¬¶àлָµã

Õâô¿ì....ÕæÏÛĽÄãµÄ´ó»úÆ÷. Õâ¸ö½á¹û¾ÍÊÇ˵Bulk modulusÊÇ346.46063GPa, Îó²î2.540 (GPa), ³ýÒÔ100¾ÍÊÇMbar (1GPa=10^9 Pascal=10 kbar, 1bar=10^5 Pascal). Õâ¸öÖµÕâô´ó, ½éÓÚ½ð¸ÕʯºÍ¸ÖÓñ,¸ÃËãÊdz¬Ó²²ÄÁÏÁË.

cohesive energyºÃÏó¿ÉÒÔͨ¹ýËã±¾ÏàºÍÆä×é³ÉÔ­×ӵĹÂÁ¢Ô­×ÓÄÜÁ¿²î,×Ô¼ºÃ»Ëã¹ý,Ï£ÍûËûËã¹ýµÄ³æÓÑÄܰïÄã.
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