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豆亚坤,凤仪,黄晓晨,汤海,丁冬冬,田沛,夏梦,钱刚,张学斌.不同热塑性蜡基粘接剂对316L注射成型件性能的影响[J].稀有金属材料与工程(英文),2017,46(10):2775~2780.[Dou Ya-kun,Feng Yi,Huang Xiao-chen,Tang Hai,Ding Dong-dong,Tian Pei,Xia Meng,Qian Gang and Zhang Xue-bin.Effects of different thermoplastic wax-based binders on properties of 316L stainless steel injection molding parts[J].Rare Metal Materials and Engineering,2017,46(10):2775~2780.]
Effects of different thermoplastic wax-based binders on properties of 316L stainless steel injection molding parts
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Received:October 07, 2015  Revised:January 13, 2016
DOI:
Key words: Thermoplastic  Metal injection molding  316L stainless steel  Mechanical properties
Foundation item:国家高技术研究发展计划(863计划)
Author NameAffiliation
Dou Ya-kun,Feng Yi,Huang Xiao-chen,Tang Hai,Ding Dong-dong,Tian Pei,Xia Meng,Qian Gang and Zhang Xue-bin  
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Abstract:
      A thorough of thermoplastic polymer in the wax-based binder is essential for ensuring the dimensions and mechanical properties of 316L stainless steel metal injection molding parts. The effects of three thermoplastic polymers, High density polyethylene, High density polyethylene /Polypropylene and Polypropylene, on the dimensions and mechanical properties of 316L stainless steel metal injection molding parts have been compared in this paper. The tensile bar is tested to examine the dimensions and mechanical properties of sintered parts against different thermoplastic polymers in the binder. Among the three thermoplastic polymers in the binder considered herein, High density polyethylene /Polypropylene performs better than the others in solvent debinding stage and in terms of the metal injection molding compact quality. High density polyethylene /Polypropylene has significantly better length, width and thickness by up to 46%, 40%, 20%, respectively. The density, hardness and tensile strength of the sintered parts are 7.28 g/cm3, 72.3 HRB and 579MPa.
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