²é¿´: 1614  |  »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:
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
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:
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
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ¹ú×ÔÈ»ÆÀÉóÒâ¼û +3 wangmingqi 2026-08-28 3/150 2026-08-28 17:43 by James-1988
[»ù½ðÉêÇë] Ϊʲô×ÊÖúÊý¸÷´ó¸ßУ¶¼´´Ð¸ߣ¬×Ô¼ºÉêÇëÔõô¾ÍÕâôÄÑ +11 Kittylucky 2026-08-27 12/600 2026-08-28 16:26 by lyxiaomc
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +8 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 8/400 2026-08-28 14:41 by lkforward
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +11 eulota 2026-08-26 11/550 2026-08-28 14:22 by »ðÐdz¬ÈËxi
[»ù½ðÉêÇë] Ôõô²é°¡ +6 huang1991js 2026-08-26 6/300 2026-08-28 08:42 by winsaint
[»ù½ðÉêÇë] »ù½ðδÖУ¬ÕâÖÖ´ð¸´ÊÇÄ£°åÂ𣿠+5 zhaosm1982 2026-08-27 6/300 2026-08-27 16:00 by lfy8008
[»ù½ðÉêÇë] ¿´°åÉÏÕâô¶àÖеģ¬ÓеãÏñ50ÈËȺÀï49¸öÈ˶¼ÊÇÆ­×ÓµÄÄÇÖָоõ¡­¡­ +5 a089 2026-08-26 6/300 2026-08-27 14:05 by jonewore
[ÎÄѧ·¼²ÝÔ°] ÃÎÏë +3 myrtle 2026-08-26 3/150 2026-08-27 10:01 by angelyueyi
[»ù½ðÉêÇë] Ϊʲô ¹ú¼Ê(µØÇø)ºÏ×÷Óë½»Á÷ÏîÄ¿ ûÓзŰñ£¿ 10+3 majunge000 2026-08-26 11/550 2026-08-27 08:42 by ±±¾©À³Òð±à¼­
[»ù½ðÉêÇë] ÎÒ²»Àí½â£¡ +15 Edward_pc 2026-08-26 23/1150 2026-08-26 20:34 by zzuzxg
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +7 process2012 2026-08-23 10/500 2026-08-26 19:23 by hmhminy
[»ù½ðÉêÇë] ϵͳ²é²»µ½ +10 ¶­°Ëǧ 2026-08-26 10/500 2026-08-26 16:30 by Equinoxhua
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +9 Ñ׻ƹóëÐ 2026-08-22 10/500 2026-08-26 15:40 by semaglutide
[»ù½ðÉêÇë] Ϊʲô¹ú×ÔÈ»²»ÄÜÖ±½Ó¹«²¼ +4 bjdxyxy 2026-08-26 4/200 2026-08-26 13:12 by qingmu1201
[»ù½ðÉêÇë] ¹úºÏÀïÃæÄÜ¿´µ½ÁË +7 Ò»»³Ü°Çï 2026-08-26 7/350 2026-08-26 11:23 by zhaosm1982
[»ù½ðÉêÇë] ϵͳ½ø²»È¥ +4 yanglien 2026-08-26 5/250 2026-08-26 11:10 by wenfengw83
[»ù½ðÉêÇë] ÏîÄ¿ÐÅÏ¢ºÍ¾­·ÑÐÅÏ¢ÔÚϵͳÀï¶¼¿ÉÒÔ¿´µ½ÁË +6 wittyboy 2026-08-26 14/700 2026-08-26 10:55 by wittyboy
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] ÔÚ¼á±ù»¹¸Ç×ű±º£µÄʱºò£¬ÎÒ¿´µ½ÁËÅ­·ÅµÄ÷»¨¡£ (½ð±Ò+10) +6 ziyangfang 2026-08-25 9/450 2026-08-25 20:26 by huagongfeihu
[»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
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û