多孔金属及合金成形过程中的致密化与变形理论研究
|
摘要
描述了松散粉末在刚性模中的压制过程,介绍了粉末体压制过程中的致密化及变形理论的发展;比较了多孔预成形坯的变形与致密金属塑性变形的不同,介绍了多孔体变形时氧化膜和孔隙对于变形的影响,给出了研究多孔体塑性变形的方法和一种得到较多应用的屈服模型。
This paper describes the compaction of the powder in rigid mould and the development of densifying and deformation mechanism during this process.The emphases are also put on the difference of plastic deformation mechanism between porous alloy and densified alloy,deformation of the former affected greatly by the oxide film and porosity.In addition,the author also presents the advanced methods of plastic deformation of the porous materials,especially a popular yield model.
This paper describes the compaction of the powder in rigid mould and the development of densifying and deformation mechanism during this process.The emphases are also put on the difference of plastic deformation mechanism between porous alloy and densified alloy,deformation of the former affected greatly by the oxide film and porosity.In addition,the author also presents the advanced methods of plastic deformation of the porous materials,especially a popular yield model.
引文
[1]赵彭年 松散介质力学[M] 北京:地震出版社,1995
[2]黄培云,等 粉末冶金基础理论与新技术[M] 长沙:中南大学出版社,1995 18
[3]陈振华,等 粉末压缩的流变学问题(二)粉末压缩的流变学模型[J] 稀有金属材料与工程,1992,21(2):1
[4]陈振华 粉末压缩的流变学问题(一)粉末体的流变特性[J] 稀有金属材料与工程,1992,21(1):3
[5]黄培云 粉末冶金原理[M] 长沙:中南工业大学出版社,1992
[6]LaverniaEJ,etal.Spraydepositionofmetals:Areview[J].MaterSciandEng,1988,98:381.
[7]HariprasadS,etal.Microstructuresandmechanicalpropertiesofdispersion-strengthenedhigh-temperatureAl-8.5Fe-1.2V-1.7Sialloyproducedbyatomizedmeltdepositionprocess[J].metalTrans,1993,124A:866.
[8]柯尔巴什尼可夫AN(苏) 颗粒材料[M] 北京:国防工业出版社,1986
[9]HenryR,etal.Physicalmodellingofpowderconsolidationprocesses[J].ProinMaterSci,1997,43:263.
[10]MoriK,etal.Analysisoftheformingprocessofsinterdpowdermetalsbyarigid-plasticfinite-ElementMethod[J].IntMechSci,1987,29(4):229.
[11]DoraiveluSM,etal.AnewyieldfunctionforcompressibleP/Mmaterials[J].IntJMechSci,1984,26(9/10):527.
[12]卫平原,等 粉末压缩的流变学模型[J] 中国有色金属学报,1994,4(4):56
[13]闰 民,等 转子系统非线性动力学DEM建模研究[J] 力学学报,2001,33(3):390
[14]KwaiSChan.EvidenceofathinsheettougheningmechaniisminAl-Fe-Xalloys[J] MetalTransA,1989,20A:155.
[2]黄培云,等 粉末冶金基础理论与新技术[M] 长沙:中南大学出版社,1995 18
[3]陈振华,等 粉末压缩的流变学问题(二)粉末压缩的流变学模型[J] 稀有金属材料与工程,1992,21(2):1
[4]陈振华 粉末压缩的流变学问题(一)粉末体的流变特性[J] 稀有金属材料与工程,1992,21(1):3
[5]黄培云 粉末冶金原理[M] 长沙:中南工业大学出版社,1992
[6]LaverniaEJ,etal.Spraydepositionofmetals:Areview[J].MaterSciandEng,1988,98:381.
[7]HariprasadS,etal.Microstructuresandmechanicalpropertiesofdispersion-strengthenedhigh-temperatureAl-8.5Fe-1.2V-1.7Sialloyproducedbyatomizedmeltdepositionprocess[J].metalTrans,1993,124A:866.
[8]柯尔巴什尼可夫AN(苏) 颗粒材料[M] 北京:国防工业出版社,1986
[9]HenryR,etal.Physicalmodellingofpowderconsolidationprocesses[J].ProinMaterSci,1997,43:263.
[10]MoriK,etal.Analysisoftheformingprocessofsinterdpowdermetalsbyarigid-plasticfinite-ElementMethod[J].IntMechSci,1987,29(4):229.
[11]DoraiveluSM,etal.AnewyieldfunctionforcompressibleP/Mmaterials[J].IntJMechSci,1984,26(9/10):527.
[12]卫平原,等 粉末压缩的流变学模型[J] 中国有色金属学报,1994,4(4):56
[13]闰 民,等 转子系统非线性动力学DEM建模研究[J] 力学学报,2001,33(3):390
[14]KwaiSChan.EvidenceofathinsheettougheningmechaniisminAl-Fe-Xalloys[J] MetalTransA,1989,20A:155.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心