??QPQ???????/qpq??????????????????????

2019-10-31

QPQ???????/qpq??????????????????????
QPQ????????Quench-Polish-Quench????д??????ζ??????????????????????????в???????????У??????????????????????????γ??????????????????????????????
QPQ???????????????????????????????????????????
??????????????
??MM200?????????????????????????顣 QPQ???????40Cr???????????????????30????????????????14??????????????2.8?????????2.1???? 45?????????????????????????????????????40Mn????????5Cr21Mn9Ni4N????????????????ж?????飬?????????QPQ???????????????????????????????????2???????
???????????????
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????????????????????????????????飬??????????????????????????45????QPQ?????????????????????????16????1Cr13???????26????1Cr18Ni9Ti??????4.5????
2.????????
???????????????б????5??NaCl?????????????顣 QPQ?????????45??????????????????1Cr18Ni9Ti??????5??????θ???35????1Cr13??????40??????????????70??????????280????
3.???????

??????????????????м????????????????QPQ??????????????????0.3g/m2????????????12.3g/m2??????7.2g/m2???????2.9 g/m2???????????????QPQ???????????QPQ?????????????????????????????????????????????????

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