| 高氮奥氏体不锈钢金属注射成形喂料的流变行为研究 |
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| 引用本文： | 崔大伟,姜军生,温效朔,曲选辉. 高氮奥氏体不锈钢金属注射成形喂料的流变行为研究[J]. 材料工程, 2008, 0(11) |
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| 作者姓名： | 崔大伟 姜军生 温效朔 曲选辉 |
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| 作者单位： | 1. 潍坊学院,机电系,山东,滩坊,261061
2. 北京科技大学,材料科学与工程学院,100083 |
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| 摘 要： | 采用金属注射成形制备高氮奥氏体不锈钢,研究了石蜡(PW)、高密度聚乙烯(HDPE)、聚丙烯(PP)以及硬脂酸等几种聚合物组成的注射成形喂料的黏度、剪切速率以及温度对黏度的影响,比较了聚合物组元对喂料流变行为的影响。研究结果表明,黏结剂配方为65%PW/30%HDPE/5%SA(质量分数,下同)所组成喂料具有较好的综合流变性能,更适合作为高氮奥氏体不锈钢粉末注射成形的有机载体。
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| 关 键 词： | 高氮不锈钢 金属注射成形 流变行为 |
Rheological Properties of Feedstock for Metal Injection Molding of High Nitrogen Austenitic Stainless Steel |
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| CUI Da-wei,JIANG Jun-sheng,WEN Xiao-shuo,QU Xuan-hui. Rheological Properties of Feedstock for Metal Injection Molding of High Nitrogen Austenitic Stainless Steel[J]. Journal of Materials Engineering, 2008, 0(11) |
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| Authors: | CUI Da-wei JIANG Jun-sheng WEN Xiao-shuo QU Xuan-hui |
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| Abstract: | High nitrogen austenitic stainless steel was prepared by metal injection molding,and the effect of viscosity of feedstock consisted of paraffin wax(PW),high density polyethylene(HDPE),polypylene(PP)and aric acid(SA),as well as shear rate and temperature on the viscosity was investigated.And the influence of polymer components on the rheological behavior of feedstock was also compared.The results showed that the feedstock exhibited better rheological properties when the binder was made of 65%PW,30%HDPE and 5%SA,which is more suitable as the organic vehicle for MIM of high nitrogen austenitic. |
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| Keywords: | high nitrogen stainless steel metal injection molding rheological behavior |
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