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????????????????????е?C??Si??Mn??P??S??Cr??Mo??Ni??Cn??A1??W??V??Ti??B??Nb??As??Sn??Sb??Pb??Bi
??N??0??????庬??????N??O
2???????γ?缰???μ?飺
???????飺????????????????????????8???????
??????????????飺???桢?α???????棬?????????С??
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???????????飺?????????1m?????????????????????????????????
????????????????飺???????塣
3??????????????飺100%
??????????飺??????????????????顢?????????????
??????????飺
a. ?????????UT??
???????????????????漰???????????????С?
?????GB/T 5777-1996 ????C5??
b. ???????ET???????????
?????????????Σ???????С? ?????GB/T 7735-2004
????B??
c. ???MT?????????
???????????????????????????????????????
?????GB/T 12606-1999 ???? C4??
d. ????????????
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e. ???????
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4???????????????飺
?????????飺?????????Σ??ж??????????YS??TS???????????A??Z??
??????????? ??Ρ?????????????????10????12.5??
С????????? ????????? ?????
????????????????????????й? GB/T 1760
???????飺CVN?????C???V?????J ?J/cm2
???????10??10??55??mm?? ???????5??10??55??mm??
????????飺???????HB?????????HRC????????HV??
???????飺??????????????? p=2S??/D
5??????????????飺
????????飺??????? C????????S/D>0.15?? H=??1+2??S/????+S/D??
L=40??100mm ??λ??????????=0.07??0.08
????????飺L=15mm ??????????
?????????????飺????????30??40??60??
?????????飺???????????飨???????????
6?????????????
???????飨?????????????????????100x GB/T 10561 ??????????????
?????M??B??S??T??P??F??A-S
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A????????A??-???? B??-?????? C??-?????? D-??????? DS??
???????飨??????????????????10x????
a. ??????鷨??b. ??????鷨?????????飬?????????????????????ɡ??????????????????????????????
c. ???η?????鷨?????鷢??????????????????
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