热压变形对灰口铸铁石墨形态的影响Graphite Morphology of Gray Cast Iron under Hot Deformation
高聿为,王威,荆天辅,乔桂英,赵新,周继峰,肖福仁
摘要(Abstract):
研究了灰口铸铁 (HT15 0 )在 90 0℃大压下量塑性变形后石墨的分布形态 ,结果表明 :随着压下量的增加 ,石墨片逐渐趋于平行分布 ;变形过程中发生了碳的回溶 ,同时伴随着石墨片的断裂 ;石墨片体积分数及片间距随压下量的增加而逐渐减少
关键词(KeyWords): 灰口铸铁;塑性变形;回归分析;石墨形态
基金项目(Foundation):
作者(Author): 高聿为,王威,荆天辅,乔桂英,赵新,周继峰,肖福仁
参考文献(References):
- 1 黎悠麟,朱复谦.机械材料学[M].南宁:广西科学技术出版社,1991:170~174.
- 2 WaltonCharlesE ,OparTimothyJ .IronCastingsHandbook[M].IronCastingSociety,Inc.1981:255~257.
- 3 ZhangY ,ChenY ,HeR ,ShenB .Investigationoftribologicalpropertiesofbrakeshoematerisls phosphorouscastironswithdifferentgraphitemorphologies[J].Wear,1993,166:179~186.
- 4 GhaderiAR ,AhmadabadiMNili,GhasemiHM .Effectofgraphitemorphologiesonthetribologicalbehaviorofaustemperedcastiron[J].Wear,2003,255:410~416.
- 5 LitovkaVI,VoloschchenkoMV ,GorschkovAA .RussianCastingsProduction[M].June1969:284~285.
- 6 AngusHT .CastIron:PhysicalandEngineeringProperties[M].Butterworths,1976:5.
- 7 StefanescuDM .MetalsHandbook,Casting[M].USA :ASMInternational,1988:168
- 8 PyeAM .Applicationsofsomeofthenewercastiron[J].MaterDes,1982,3:534~537.
- 9 HeZR ,LinGX ,JiS .Deformationandfractureofcastironwithanoptimizedstructure[J].MaterCharacter,1997,38:251~258.
- 10 ElBitarT ,ElBannaE .Contributionofformingparametersonthepropertiesofhotrolledductilecastirons[J].MaterLett,1997,31:145~150.
- 11 HeZR ,LinGX ,JiS .Deformationandfractureofcastironwithanoptimizedstructure[J].MaterCharacter,1997,38:251~258.
- 12 樊新民,孔 见,孙 斐.材料科学与工程中的计算机技术[M].徐州:中国矿业大学出版社,2000,11~13
文章评论(Comment):
|
||||||||||||||||||
|
||||||||||||||||||