«~µP¡G©|ºa¦Xª÷ | ³W®æ¡G ¯S®í³W®æ¥i©w¨î | §÷½è¡G2A12-T4 |
²£¦a¡GµØ«n |
2a12 T351¾TªO¬O¤@ºØ¯èªÅ¯è¤Ñ¾T¦Xª÷ªO§÷¡A¨ã¦³§N¦¨«¬©ÎÀ½À£¦¨«¬ªº¾TÁë³y²£«~¡A´£¨Ñ°ª¨ì¤¤µ¥ªº±j«×¡A«D±`¦nªº¥i¥[¤u©Ê©M²k±µ¯à¤O¡A¨Ã¨ã¦³§ïµ½ªº@À³¤O»G»k¶}µõ©Ê¡C
2a12 T351ªO§÷³QºÙ¬°¥[¤u±ì¤Wªº¡§¸¾÷¦Xª÷¾TªO¡¨¡C¥¦¬O§Nôè©M¨÷¶À³¥Î¤¤zui¬y¦æªº¦Xª÷¤§¤@¡C¥¦¨ã¦³°ª±j«×©MÀuyiªº@¯h³Ò©Ê¡C¹ï©ó»Ýn¨}¦nªº±j«×«¶q¤ñªº³¡¥ó¨Ó»¡¬OÀuxiuªº¡C¦b¼ö³B²z©M°h¤õ±ø¥ó¤U¡A¥i¥[¤u©Ê¨}¦n¡C±`¥Î©ó¸¾÷µ²ºc³¡¥ó¡A¥d¨®¨®½ü¡AÂåÀø¾¹±ñ©MÁ³µ·¾÷±ñ²£«~¡C§ÚÌ®w¦s2a12 T4,2a12 T351©M2a12 T3511¾TªO¡C
2a12ª«²z©Ê½è | ¤½ | ^¨î | ª`ÄÀ |
2a12±K«× | 2.78§J/¥ß¤èÍù¦Ì | 0.1½S/^¤o | AA; ¨å«¬ |
¾÷±ñ©Ê¯à | |||
2a12µw«×¡A¥¬¤ó | 120 | 120 | AA; ¨å«¬; 500§Jt¸ü; 10²@¦Ì |
2a12µw«×¡Aºû¤ó | 137 | 137 | ±q¥¬¤óµw«×ÈÂà´«¦Ó¨Ó |
²×ji§Ü©Ô±j«× | 469MPa | 68000psi | AA; ¨å«¬ |
©Ô¦ù©}ªA±j«× | 324¥ü©¬ | 47000psi | AA; ¨å«¬ |
©µ¦ù | 19¢H | 19¢H | AA; ¨å«¬; ª½®|¬°1/2^¤o¡]12.7²@¦Ì¡^ |
©µ¦ù | 20¢H | 20¢H | AA; ¨å«¬; 1/16^¤o¡]1.6²@¦Ì¡^«p«× |
¼u©Ê¼Ò¶q | 73.1 GPa | 10600ksi | AA; ¨å«¬; ±i¤O©MÀ£ÁYªº¥§¡È¡CÀ£ÁY¼Ò¶q¤ñ©Ô¦ù¼Ò¶q¤j¤j¬ù2¢H¡C |
·¥©Ó¸ü¤O | 814MPa | 118000psi | Ãä½t¶ZÂ÷/°w¸}ª½®|= 2.0 |
¶b©Ó©}ªA±j«× | 441MPa | 64000psi | Ãä½t¶ZÂ÷/°w¸}ª½®|= 2.0 |
ªyªQ¤ñ | 0.33 | 0.33 | |
¯h³Ò±j«× | 138MPa | 20000psi | AA; 5»õÓ´`Àô§¹quan°fÂàÀ³¤O; RR¼¯º¸¾÷/¼Ð¥» |
Â_µõ¶´©Ê | 26 MPa-m? | 23.7ksi-in? | K¡]IC¡^¦bSL¤è¦V |
Â_µõ¶´©Ê | 32 MPa-m? | 29.1ksi-in? | K¡]IC¡^¦bTL¤è¦V |
Â_µõ¶´©Ê | 37 MPa-m? | 33.7 ksi-in? | K¡]IC¡^¦bLT¤è¦V |
¤Á«d¥[¤u©Ê | 70¢H | 70¢H | 0-100¯Å¾T¦Xª÷ |
°Å¤Á¼Ò¶q | 28 GPa | 4060ksi | |
§Ü°Å±j«× | 283MPa | 41000psi | AA; ¨å«¬ |
¹q©Ê¯à | |||
¹qªý²v | 5.82e-006¼Ú©iÍù¦Ì | 5.82e-006¼Ú©iÍù¦Ì | AA; ¨å«¬ªº¦b68¢XF |
¼ö©Ê¯à | |||
CTE¡A½u©Ê68¢XF | 23.2£gm/ m-¢J | 12.9£gin/ in¢XF | AA; ¨å«¬; ¥§¡¶W¹L68-212¢XF½d³ò¡C |
CTE¡A½u©Ê250¢XC | 24.7£gm/ m-¢J | 13.7£gin/ in¢XF | ¥§¡¦b20-300?C½d³ò¤º |
¤ñ¼ö®e | 0.875 J / g-¢J | 0.209 BTU / lb-¢XF | |
¾É¼ö«Y¼Æ | 121 W / mK | 840 BTU-in / hr-ft?-¢XF | AA; ¨å«¬·Å«×¬°77¢XF |
º²ÂI | 502-638¢J | 935 - 1180¢XF | AA; ¨å«¬½d³ò°ò©ó1/4^¤o«p«×©Î§ó¤jªºÁë³y²£«~ªº¨å«¬¦¨¤À¡C§¡½è¤Æ¤£·|¦@´¹º²¤Æ¡C |
©T¬Û½u | 502¢XC | 935¢XF | AA; ¨å«¬ |
²G¬Û | 638¢J | 1180¢XF | AA; ¨å«¬ |
³B²zÄÝ©Ê | |||
°h¤õ·Å«× | 413¢J | 775¢XF | |
·»²G·Å«× | 256¢XC | 493¢XF |
³W®æ(¼Ð·Ç)¡G ASTM B211¡AAMS 4120¡AAMS 4339¡AAMS-QQ-A-225/6¡AASTM B221¡AAMS 4152¡AAMS 4164¡AAMS 4165¡AAMS-QQ-A-200/3¡A±ÄÁʧåµo§ä2a12 T351¾TªO»ù®æ¨ÓªF²ð©|ºa¦Xª÷¼t®a,³W®æ¥þ,¥i«ön¨D¥Í²£¡C
2A12-T4°ê¼Ð¾TªO