¥b¾ÉÅé¨î³y³]³Æ¥ÎAL7075¾TªO

¥b¾ÉÅé¨î³y³]³Æ¥ÎAL7075¾TªO ª÷¼sª÷ÄÝ7075-T651¾TªO³QÅA¬°¾T¦Xª÷¤¤ªº²£«~¡CT651ªí¥Ü¦¹¦Xª÷¸g¹L¼ö³B²z©M¹w©Ô¦ù¤uÃÀ¡AT6©MT651¦Xª÷¨ã¦³572MPaªº©Ô¦ù±j«×©M503MPaªº©}ªA±j«×.¦P®É7075¦Xª÷¦³µÛ¨}¦nªº¾÷±ñ©Ê¯à©M¶§·¥®ñ¤Æ©Ê¯à.¬ü°êASTM¼Ð·Ç«×¤u·|µû»ù7075¦Xª÷¬°BÃþ¾÷±ñ©Ê¯à,¦]°_¯à²£¥Í»l¦±©Î©öÂ_¤§®h¤ù,©Mªºªí­±³B²z.¡C

7075¾TªOÄÝAl-Zn-Mg-Cu«Y¶Wµw¾T¡A¬O¤@ºØ°ª±j«×¥i¼ö³B²z¦Xª÷¡A¨ã¦³ªº±j«×¤Î§Ü­é¸¨»G»k©M§ÜÀ³¤O»G»kÂ_µõªº©Ê¯à¡C7075¯èªÅ¾TªO¬O20¥@¬ö40¦~¥N¥½´Á´N¤wÀ³¥Î©ó­¸¾÷¨î³y·~¡A¦Ü¤µ¤´¦b¯èªÅ¤u·~¤W±o¨ì¼sªxÀ³¥Îªº±j«×ÅܧξT¦Xª÷¡C7075¾TªO¬O¤@ºØ§N³B²zÁëÀ£¦Xª÷¡A±j«×°ª¡Aµw«×°ª¡A»·³Ó©ó³n¿û¡C

7075ªº¥D­n¦Xª÷¤¸¯À¬°¾N¡AÁÙ¥i¥H²K¥[Áâ§Î¦¨±j¤Æ®ÄªGªº¦Xª÷¡C¸g¹L¼ö³B²z¡A¸Ó¦Xª÷¯à¹F¨ì«D±`°ªªº±j«×¡C¸Ó«Y¦Xª÷¤¤7075-T651¬°«D±`Àuzhiªº¦Xª÷¡A±j«×«Ü°ª¡A¨ã¦³¨}¦nªº¾÷±ñ©Ê¯à¤Î¶§·¥¤ÏÀ³¡C

¾A¥Î©ó:¯èªÅ¯è¤Ñ¡B¼Ò¨ã¥[¤u(¦pµoªw¼Ò¨ã,§j²~¼Ò¨ã)¡B¾÷±ñ³]³Æ¡B¤u¸Ë§¨¨ã¡A°ªÅK, ¥b¾ÉÅé³]³Æµ¥.¯S§O¥Î©ó¨î³y­¸¾÷µ²ºc¤Î¨ä¥L­n¨D±j«×°ª¡B§Ü»G»kªº°ªÀ³¤Oµ²ºc¡C

7075-T651¾÷±ñ©Ê¯à

¼ö¿±µÈ«Y¼Æ(20-100¢J)um/m.k:23.6,º²ÂI½d³ò(¢J):475-635,¹q¾É²v20¢J(68¢XF)(%ACS):33,¹qªý²v20¢J(68¢XF)m¢T/m:0.0515

7075-T651¤Æ¾Ç¦¨¥÷

Üg(Ti) :0.2

Öº(Si) :0.4

¿ø(Mn) :0.3

Áâ(Mg) :2.1-2.9

ÅK(Fe) :0.5

»Ì(Cr) :0.18-0.28

¾N(Zn) :5.1-6.1

ȃ(Cu) :1.2-20

¾T(¤p)(Al) :¾l¶q

¨ä ¥L(¨C­Ó) :0.05

¨ä ¥L(Á`­p) :0.15

¤O¾Ç©Ê¯à:

§Ü©Ô±j«× £mb (MPa)¡G 560

¦ùªøÀ³¤O £mp0.2 (MPa)¡G 495

¦ùªø²v £_5 (%)¡G 6

ª` ¡GµLÁ_ºÞªº¤O¾Ç©Ê¯à

¥D­n¥Î³~:

¯è¤Ñ¯èªÅ¤u·~¡B§j¶ì¡]²~¡^¼Ò¡B¶WÁnªi¶ì²k¼Ò¨ã¡B°ªº¸¤Ò²yÀY¡B¾c¼Ò¡B¯È¶ì¼Ò¡Bµoªw¦¨«¬¼Ò¡B²æþ¼Ò¡B½d¥»¡B§¨¨ã¡B¾÷±ñ³]³Æ¡B¼Ò¨ã¥[¤u¡C¥Î©ó¨î§@gaoºÝ¾T¦Xª÷¦Û¦æ¨®¨®¬[¡C

ª«²z¯S©Ê:

§Ü©Ô±j«×524Mpa¡G0.2%

©}ªA±j«×455Mpa¡G¦ùªø²v11%

¼u©Ê¼Ò¶qE/Gpa¡G71

µw«×¡G150HB

±K«×¡G2.8

²£«~¯SÂI

°ª±j«×¥i¼ö³B²z¦Xª÷¡C

.¨}¦n¾÷±ñ©Ê¯à¡C

.¥i¨Ï¥Î©Ê¦n¡C

.©ö©ó¥[¤u¡A­@¿i©Ê¦n¡C

.§Ü»G»k©Ê¯à¡B§Ü®ñ¤Æ©Ê¦n¡C