s136是不是420钢磨具行业

　　在购买的时候，可以参看相关的价格表，不过这也仅是特定时间内的一个价格情况，价格也会有有所浮动，具体购买还要以实际的花费为准。Inthiswork,anovelapproachcombiningliquiddepositionwithselectivelasermelting(SLM)isusedforfabricatingreducedgrapheneoxide(RGO)/S136metalmatrixcomposites(MMCs).Thegrainsizes,crystallographictextures,phasecompositionsandmechanicalpropertiescanbetailoredbycontrollingtheRGOcontentintheRGO/S136MMCs.Theresultsshowthattheaveragegrainsizereachesitssmallestsizeof0.75μmwhen0.1wt%RGOwasaddedtotheRGO/S136MMCs.AstheRGOcontentisincreasedfrom0wt%to0.5wt%,acontinuoustransitionofthegrainsfromthe(001)orientationtothe(101)and(111)orientationsisobserved.Inaddition,thecellulardendriticgrainstransformintoequiaxedfinegrainswithincreasingRGOcontent.TheSLM-preparedRGO/S136MMCsaredominatedbyhigh-anglegrainboundaries(15°)andthemartensite(bcc)phase.Thehardness,ultimatetensilestrengthandyieldstrengthoftheSLMRGO/S136MMCsexhibittrendsthatinitiallyincreaseandthendecreases136是不是420钢,withmaximumvaluesof580.6HV,535.3MPaand515.8MPa,respectively.ThispaperhighlightsthepossibilityofcontrollingtheRGOcontenttoachievethedesiredmicrostructuralcharacteristicsandmechanicalpropertiesofRGO/S136MMCsfabricatedbytheSLMprocess.

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