金属型铸造ZL205A铝合金组织物相分析及工艺优化  

Microstructure Analysis and Process Optimization of Metal Mold Casting ZL205A Alloy

作　　者：杨启欣 曹岩[1] 黄亮 王宁[1,2] 赵海越 Yang Qixin;Cao Yan;Huang Liang;Wang Ning;Zhao Haiyue(School of Mechanical and Electrical Engineering,Xi'an Technological University;Xi'an Kunlun Industrial Group Co.,Ltd.)

机构地区：[1]西安工业大学机电工程学院,西安710021 [2]西安昆仑工业集团有限责任公司

出　　处：《特种铸造及有色合金》2023年第4期510-513,共4页Special Casting & Nonferrous Alloys

基　　金：2019年榆林市科技计划资助项目(K201901760)。

摘　　要：为获得金属型重力铸造充型好、力学性能高的ZL205A铝合金大型铸件,对其进行显微组织及力学性能分析。通过对不同工艺参数下的金相组织结构和力学性能进行分析,探究工艺参数对ZL205A铝合金大型件组织和力学性能的影响。结果表明,随着浇注温度、浇注速度、铸型预热温度的提高铸件,产生缺陷情况不断改善。In order to obtain ZL205A large castings with satisfied filling quality and high mechanical properties,the microstructure and phase analysis of large castings by metal mold gravity casting were carried out.By analyzing and testing the metallographic structure and tensile mechanical properties of ZL205A transmission castings by metal mold casting under different process parameters,the influence of different process parameters on the microstructure and mechanical properties of ZL205A large castings were explored.The defects are improved continuously with the increase of the pouring temperature,pouring rate and preheating temperature.

关 键 词：ZL205A 金属型铸造 组织 力学性能 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TG249.3[金属学及工艺—金属材料]