24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 1608  |  »Ø¸´: 6
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

liuhui00

ľ³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖúÒ»¾äºÜ³¤µÄÓ¢ÎÄ·­Òë³ÉÖÐÎÄ

ÎÒ¾­³£ÔĶÁÓ¢ÎÄÎÄÏ×£¬µ«×î½üÓÐһƪÎÄÏ×µÄÒ»¾äÓ¢ÎľÍÊDz»ÖªÈçºÎÄÜÕýÈ··­Òë£¬ÌØÏò¸÷λ³æ×ÓÇë½Ì¡£¼´£º
   
Behaviour patterns of the form presented in Fig.2 therefore suggest that step changes identified in either the stress exponent or the apparent activation energy for creep in Eq.(1) do not permit unambiguous identification of the short-term t measurements which should be omitted from calculations undertaken to estimate long-term strengths.
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liuhui00

ľ³æ (СÓÐÃûÆø)

ËÍÏÊ»¨Ò»¶ä
ÒýÓûØÌû:
2Â¥: Originally posted by 220chengeng at 2012-11-23 16:00:00
Behaviour patterns of the form presented in Fig.2 therefore suggest that step changes identified in either the stress exponent or the apparent activation energy for creep in Eq.(1) do not permit unam ...

activation energy for creep in Eq.(1)Òâ˼ÊÇ¡°¹«Ê½1ÖеÄÈä±ä¼¤»îÄÜ¡±
·Ç³£¸ÐлÄúµÄÖ¸µã£¬ÊÜÒæÐí¶à¡£
4Â¥2012-11-23 16:34:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

220chengeng

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
liuhui00: ½ð±Ò+10, ·­ÒëEPI+1, ·Ç³£ÓаïÖú£¬Ò²¸ÐлÄúµÄ»ý¼«²ÎÓë¡£ 2012-11-23 16:35:30
Behaviour patterns of the form presented in Fig.2 therefore suggest that step changes identified in either the stress exponent or the apparent activation energy for creep in Eq.(1) do not permit unambiguous identification of the short-term t measurements which should be omitted from calculations undertaken to estimate long-term strengths.
Òò´Ë£¬Í¼2ËùʾµÄÐÐΪģʽÀàÐͱíÃ÷£¬¶ÔÓÚΪµÈʽ£¨1£©ÖеÄÐì±äËùÒýÈëµÄ½×Ô¾±ä»¯£¬ÎÒÃÇͨ¹ýÓ¦Á¦Ö¸Êý»òÕß±í¹Û»î»¯ÄÜÄܹ»½øÐÐÈ·¶¨£»¶ø½×Ô¾±ä»¯£¨µÄÈ·¶¨£©²»ÈÝÐíÓв»È·¶¨ÐÔµÄ¶ÌÆÚt²âÁ¿Öµ´æÔÚ£¬ÔÚ½øÐг¤ÆÚÇ¿¶È¹ÀËãʱÕâЩ²âÁ¿ÖµÓ¦ºöÂÔ²»¼Æ¡£

ÎÒµÄÊõÓï·­ÒëµÃ¿ÉÄܲ»ÊǺÜ×¼£¬ÎÒÖ»¾Í½á¹¹ËµËµÎÒµÄ˼·£º
1.        µÚÒ»²½²»¹ÜÈçºÎ£¬ÒªÕÒ³ö¾ä×ӵĽṹ£¬Õâ¸ö¾ä×ӵĽṹÊÇ£¬¡°Behaviour patterns ¡­¡­suggest that step changes¡­¡­ do not permit unambiguous identification of the short-term t measurements ¡­¡­¡±
ÕâÑùµÄ»°²»¹ÜÈçºÎ¾ÍºÜÇå³þÁË£¬¾ÍÊÇÒ»¸ö¼òµ¥µÄ±öÓï´Ó¾ä£¬Ê²Ã´¶«¶«±íÃ÷ÁËÒ»¸öʲôÇé¿ö£¬ÆäËü¶¼ÊÇÐÞÊγɷ֡£
2.        ÐÞÊγɷֵķ­Ò룬ÐÞÊγɷְ´ÎÒ×Ô¼º¼òµ¥±©Á¦µÄ»°Ëµ£¬·ÖÎªÇ°ÃæµÄÐÞÊγɷֺͺóÃæµÄÐÞÊγɷ֣¬Ç°ÃæµÄÖ÷ÒªÊǶ̴ʣ¬×î³£¼ûµÄÊÇÐÎÈÝ´Ê¡¢Ãû´ÊʲôµÄ£¬Èç¹ûûÓÐÐγɳ¤´®£¬Ö±½Ó·­ÒëÔÚÐÞÊδÊÇ°Ãæ£¬µ«ÊÇÒªÈÃ×Ô¼º¶ÁÆðÀ´Êæ·þ£¬Òª×¢ÒâÒ»ÏÂÖÐÎĵıí´ïÐÎʽ£¬±ÈÈç¡°red sun¡±Äã·­Òë³É¡°ºìºìµÄÌ«Ñô¡±ºÍ¡°ºìµÄÌ«Ñô¡±ÄǸöζµÀ»¹ÊDz»Ò»ÑùµÄ£¬µ±È»Ò²ËæÉÏÏÂÎÄÀ´£¬Èç¹ûºóÒ»¾äÊÇ¡°Â̵IJݵء±£¬¡°ºìµÄÌ«Ñô¡±Ò²Î´³¢²»¿É¡£ºóÃæµÄ³É·Ö´ó¶à·ÖΪÒÔϼ¸ÖÖ£º
¢Ù        **ing»òÕß**ed°éËæÊ½½á¹¹£¬Í¬ÑùµÄµÀÀí£¬Èç¹û·­Òë³öÀ´²»³¤µÄ»°¿ÉÒÔ¼ÓÔÚÇ°ÃæÀ´¾Í¼ÓÔÚÐÞÊδÊÇ°ÃæÀ´£¬Èç¹û²»ÐУ¬µ¥¶À´¦Àí³ÉÒ»¸ö¾ä×Ó£¬±ÈÈç±¾¾äÖÐÓÐÁ½´¦£¬µÚÒ»´¦ÊÇ¡°presented in Fig.2¡±¿ÉÒÔ·­Òëµ½Ç°ÃæÀ´¡°Í¼2Ëùʾ¡±£¬±í´ïÒª¸É´àÀûÂ䣬¶ÁÆðÀ´ÒªÏñ²»ÊÇ·­Òë¹ýÀ´µÄÒ»Ñù£»µ«Êǵڶþ´¦¡°identified in either the stress exponent or the apparent activation energy for creep in Eq.(1)¡±£¬Õâ¸ö¾Í±È½Ï³¤ÁË£¬ËùÒÔÒªµ¥¶À´¦Àí³ÉÒ»¾ä»°£¬ËµÊµ»°£¬Õâ¸ö¾ä×Ó£¬ÎÒ²»ÊÇѧÕâ¸öרҵµÄ£¬¿ÉÄÜ·­ÒëµÃ²»ÊǺܺã¬Äú¿ÉÒÔ×Ô¼ºÐ¡Ð¡¸Ä¶¯Ò»Ï£¬ÎÒÖ»ÊÇ˵Óöµ½ÕâÖÖ³¤¾ä¼È±»ºÜ³¤µÄÐÞÊγɷÖÐÞÊÎÁË£¬ÓÖÒª×öºóÐø³É·ÖµÄÖ÷ÓïµÄʱºò£¬Òª·ÖÁ½¾ä½øÐд¦Àí£¬ÒòΪÕâ¸ö³É·Ö̫æÁË£¬¿ÉÒÔ˵ÊÇÌ«ÖØÒªÁË£¬ËùÒÔËü¾ÍÒª·ÖÉí£¬Ò²¾ÍÊÇËµÒªÖØ¸´Ö÷ÓҪ˵Á½±é£¬ÖÐÎÄÖÐÒ²¾­³£ÕâÑù±í´ïÁË¡£
¢Ú        ¶¨Óï´Ó¾ä»òÕ߯äËü´Ó¾ä£¬µÀÀí¸úÉÏÃæÒ»ÑùÒ»ÑùµÎ£¬Òª²ð¿ªÔÙÖØ¸´£¬²Å»á·­Òë³öÀ´Ã»Óз­ÒëµÄζµÀ£¬ÊǾäÖйúÈË»°¡£
3.        Ó¢ÎÄÖжàΪ±»¶¯Ê½£¬ËùÒÔ·­Òë¹ýÀ´µÄʱºò¾­³£Òª¼Ó¸ö¡°ÎÒÃÇ¡±»òÕß¡°±¾ÎÄ¡±£¬ÄúдµÄºÍ¶ÁµÄÖÐÎÄÎÄÕÂÖУ¬ÕâÁ½¸ö´Ê³öÏֵįµÂʺܸ߰ɡ£

Èç¹ûÎÒÕâ¸ö¾ä×ÓûÓз­Òë´íÎóµÄ»°£¬»¹ÓÐÒ»Á½µã£¬ÎÒ¾õµÃÎÒ»¹ÊÇ¿ÉÒÔ˵һϵģ¬ËùÒÔÆÚ´ýÂ¥Ö÷Äú¸øÎÒÒ»¸ö´ð¸´£¬¾ÍÊÇÄǸöfor creep in Eq.(1)ÎÒÕâÑù´¦ÀíÊDz»ÊǶԵ쬻¹ÊÇÕâ¸öfor creep in Eq.(1)ÐÞÊεľÍÊÇËüÇ°ÃæµÄ³É·Ö£¬Õâ¸ö¶¼ÊÇÓпÉÄÜ£¬Ã»ÓжÁÉÏÏÂÎÄ£¬ÎÒ»¹ÊdzԲ»×¼¡£

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

2Â¥2012-11-23 16:00:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luckiest

½û³æ (ÕýʽдÊÖ)

¡ï ¡ï
220chengeng: ½ð±Ò+2, ллÄúµÄ·ÖÏíºÍ²ÎÓë¡£ 2012-11-23 16:08:01
±¾ÌûÄÚÈݱ»ÆÁ±Î

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

3Â¥2012-11-23 16:03:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liuhui00

ľ³æ (СÓÐÃûÆø)

ËÍÏÊ»¨Ò»¶ä
ÒýÓûØÌû:
3Â¥: Originally posted by luckiest at 2012-11-23 16:03:57
Behaviour patterns of the form presented in Fig.2 therefore suggest that step changes identified in either the stress exponent or the apparent activation energy for creep in Eq.(1) do not permit unam ...

ллÄúµÄ°ïÖú£¡
5Â¥2012-11-23 16:36:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +11 fansofjerry 2026-08-21 11/550 2026-08-25 11:04 by ¹Â¶ÀµÄÓ¢ÐÛ6
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +3 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 3/150 2026-08-25 10:35 by shisan1313
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +5 process2012 2026-08-23 7/350 2026-08-25 09:42 by huixian257
[»ù½ðÉêÇë] ½ñÌì»ù½ð»á³ö½á¹ûÂð£¿20260819 +17 kkkl_v 2026-08-19 18/900 2026-08-25 09:41 by windflowerwy
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +13 ÇÒÌý»¢Ð¥ 2026-08-20 14/700 2026-08-25 09:10 by mrkang
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +7 Ñ׻ƹóëÐ 2026-08-22 8/400 2026-08-25 08:48 by ZJTJZ
[»ù½ðÉêÇë] filecode£¬4¸öjtjcÁË +14 ziyangfang 2026-08-19 17/850 2026-08-24 18:37 by ¹þ¹þ¸ò£¿
[»ù½ðÉêÇë] ½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã +13 kulium 2026-08-21 16/800 2026-08-24 16:27 by superceng
[»ù½ðÉêÇë] ½ñÈÕ²»·Å°ñ£¿Íø´«¹ú×ÔȻԤ¼Æ 8 Ô 27 Èտɲé½á¹û +17 ҽѧÀÏÄк¢ 2026-08-20 21/1050 2026-08-24 14:21 by refreshing11
[»ù½ðÉêÇë] ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡ +13 ´óƼ1987 2026-08-20 16/800 2026-08-24 10:23 by ̫ɵÁË
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[»ù½ðÉêÇë] ʲôʱºò¿ª½±£¿ +10 CrisMessi 2026-08-18 11/550 2026-08-24 06:50 by ¿ªÐĵÄСʨ×Ó
[»ù½ðÉêÇë] ½ñÌì·Å°ñÂ𣿠+15 ²¼²¼ºÍÒ»¶þ 2026-08-19 16/800 2026-08-23 09:55 by ÕÅ´ºÉú
[»ù½ðÉêÇë] ʱ¼ä´Á½ñÌ죬20ºÅ±äÁË +5 archvillain 2026-08-20 5/250 2026-08-22 06:12 by hui_daxiao
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
[»ù½ðÉêÇë] Ó¦¸ÃÊÇÏÂÖÜÈý26ÈÕ¹«²¼Á˰ɣ¿ +4 ¹þ¹þ¸ò£¿ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[»ù½ðÉêÇë] »ù½ð°¡»ù½ð +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
[»ù½ðÉêÇë] ÖØÒªÏûÏ¢£¬ÖÐÎçϵͳÔÚά»¤ +11 yuleib84 2026-08-18 12/600 2026-08-20 11:09 by xskun
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û