利用Niyama判据预测重力铸造铝合金摩托车车轮缺陷  

Application of Niyama Criterion in the Shrinkage Porosity Prediction of Metal Mold Gravity Casting Aluminum Alloy Motorcycle Wheel

作　　者：曾礼[1] 赵建华[1,2] 宋刚[1] 

机构地区：[1]重庆大学材料科学与工程学院 [2]重庆大学国家镁合金材料工程技术研究中心

出　　处：《特种铸造及有色合金》2011年第9期807-811,共5页Special Casting & Nonferrous Alloys

基　　金：重庆市科委科技攻关计划资助项目(CSTC2008AA4029)

摘　　要：利用Niyama判据对重力铸造铝合金摩托车车轮进行了缩孔、缩松预测。根据Niyama判据式G/槡R探讨了影响缩孔、缩松的因素,并根据这些影响因素采取相应的工艺措施,消除或减轻了铸件的缩孔、缩松倾向。Shrinkage porosity in metal mold gravity casting aluminum alloy motorcycle wheels was predicted with the help of Niyama criterion.The factors influencing shrinkage porosity（holes） were approached based on the Niyama criterion G/R,and the countermeasures were presented to reduce or eliminate the tendency of shrinkage porosity in the aluminum alloy wheel.

关 键 词：Niyama判据 铝合金 摩托车轮 缩孔缩松 

分 类 号：U483[交通运输工程—载运工具运用工程]