基于力学性能的铝硅合金变质效果评价指标体系  

Evaluation Index System of Modified Al-Si Alloy Based on Mechanical Property

作　　者：赵岩[1,2] 

机构地区：[1]德州学院机电工程学院 [2]德州学院工程材料研究所,山东德州253023

出　　处：《铸造》2014年第6期560-564,共5页Foundry

基　　金：山东省科技攻关计划项目(2011YD03099)

摘　　要：建立了基于力学性能的铝硅合金变质效果评价指标体系,包括变质效果评价等级,变质剂加入量、变质处理温度、保温时间对力学性能以及变质效果评价等级的影响,变质效果等级与变质剂加入量的比值,平均线膨胀系数变化率和瞬间线膨胀系数变化率。为铝硅合金变质剂的选择、变质处理工艺的制定以及变质剂生产的规范与管理提供参考,同时为制定完整、规范和科学的变质效果标准提供理论基础和依据。Evaluation index system of modified Al-Si alloy based on mechanical property was established.Those include evaluation grade for modification effect,mechanical property and evaluation grade influenced by modifier addition,modification temperature,and holding time,ratio of evaluation grade and modifier addition,change rate of average linear expansion coefficient and moment linear expansion coefficient.This work will provide references for modifier selection,modification process making,and norms and management of modifier production.Meanwhile,it can provide fundamental basis for setting out the complete,normative,and scientific standard of modification effect.

关 键 词：铝硅合金 变质效果 评价指标 力学性能 

分 类 号：TG292[金属学及工艺—铸造]