典型文献
Effects of runner design and pressurization on the microstructure of a high-pressure die cast Mg–3.0Nd–0.3Zn–0.6Zr alloy
文献摘要：
To clarify the relationship between externally solidified crystals (ESCs) and other defects, e.g., defect bands and pores, two dimen-sional (2D) and three dimensional (3D) characterization methods were adopted to analyze castings produced using a modified ingate system equipped with and without an ESC collector. The reduction of ESCs strongly reduced defect band width and shrinkage pore quantity. By redu-cing the quantity and size of ESCs, net-shrinkage pores were transformed into isolated island-shrinkage pores. We determined via statistical analysis that the mechanical properties of high pressure die castings were strongly related to the size and fraction of the ESCs rather than poros-ity volume. The reduction of ESCs also caused tensile transgranular fracture modes to transform into intergranular fracture modes. Addition-ally, casting pressurization strongly reduced pore morphology, volume, and size.
文献关键词：
中图分类号：
作者姓名：
Tongtong Zhang;Wenbo Yu;Chaosheng Ma;Yuqi Zhou;Shoumei Xiong
作者机构：
Center of Materials Science and Engineering,School of Mechanical and Electronic Control Engineering,Beijing Jiaotong University,Beijing 100044,China;School of Materials Science and Engineering,Tsinghua University,Beijing 100084,China
文献出处：
引用格式：
[1]Tongtong Zhang;Wenbo Yu;Chaosheng Ma;Yuqi Zhou;Shoumei Xiong-.Effects of runner design and pressurization on the microstructure of a high-pressure die cast Mg–3.0Nd–0.3Zn–0.6Zr alloy)[J].矿物冶金与材料学报,2022(07):1310-1316
A类：
ingate,redu,poros
B类：
Effects,runner,design,pressurization,microstructure,high,pressure,die,Mg,0Nd,3Zn,6Zr,alloy,To,clarify,relationship,between,externally,solidified,crystals,ESCs,other,defects,bands,pores,two,2D,three,dimensional,characterization,methods,were,adopted,analyze,castings,produced,using,modified,system,equipped,without,collector,reduction,strongly,reduced,width,shrinkage,quantity,By,cing,size,net,transformed,into,isolated,island,We,determined,via,statistical,analysis,that,mechanical,properties,related,fraction,rather,than,volume,also,caused,tensile,transgranular,fracture,modes,intergranular,Addition,morphology
AB值：
0.56308
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