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ÖÐͼ·ÖÀàºÅ:TG£±£±£µ£®£² ÎÄÏ×±êÖ¾Âë:A ÎÄÕ±àºÅ:£±£°£°£±£Ç£´£°£±£²(£²£°£±£·)£°£³£Ç£°£±£¶£µ£Ç£°£´

ÊÕ¸åÈÕÆÚ:£²£°£±£¶£Ç£°£¶£Ç£²£µ

×÷Õß¼ò½é:Ëï Ææ(£±£¹£¶£²£­),ÄÐ,¸ß¼¶¹¤³Ìʦ,Ö÷Òª´ÓʽðÊô²ÄÁÏÁ¦Ñ§ÐÔÄÜ ¼ì ²â¡¢·É »ú ·¢ ¶¯ »ú ¹Ê ÕÏ ¼þ ·Ö Îö¡¢ÊÔ Ñé ¹¤ ×° ÑÐ ÖÆ µÈ ¹¤ ×÷,zhangruiying£µ£±£¸£À£±£¶£³£®com£®cn.

EffectofTemperingTemperatureonImpactToughnessof£±Cr£±£±Ni£²W£²MoVSteelSUNQi,ZHANGLi£Çxin,WEITing£Çli,ZHANGYing,YUPai,LIUTianzhao,ZHANGChuang(TechnologyCenterPhysicochemicalResearchInstitute,ChinaAviationShenyangLimingAviationEngineCo£®,Ltd£®,Shenyang£±£±£°£°£´£³,China)

Abstract: During daily testing in one plant,the impact toughness of multi furnace batches of

£±Cr£±£±Ni£²W£²MoVsteelbarswasfoundunqualified£®Tofindthereasonsfordisqualification,analysiswascarriedout

fromtheaspectsofchemicalcompositionandheattreatmentregime,andthecomparativetestsweredone£®The

resultsshowthat:thetemperingtemperatureofheattreatmentwasthemainfactoraffectingtheimpacttoughness

of£±Cr£±£±Ni£²W£²MoVsteel;theimpacttoughnessofthe£±Cr£±£±Ni£²W£²MoVsteelspecimenswasallqualifiedwhenthe

temperingtemperaturewas£µ£´£°£Ç£µ£¹£° ¡æ;theimpacttoughnessofsome£±Cr£±£±Ni£²W£²MoVsteelspecimenswasnot

qualifiedwhenthetemperingtemperaturewas£¶£¶£°£Ç£·£±£°¡æ£®Thequalifiedrateofthematerialcouldbeimprovedand

theproductionschedulecouldbeensuredbyselectingtemperingtemperatureas£µ£´£°£Ç£µ£¹£° ¡æ£®

Keywords:£±Cr£±£±Ni£²W£²MoVsteel;impacttoughness;temperingtemperature

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