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| Research progress in preparation technology and properties of metal powder for injection molding |
| ZHANG Xin-tao1，ZHANG Ke-cui2，ZHANG Dong1，ZHAO Jian1，FAN Yu1，ZHANG Juan1， |
| 1State Key Laboratory of Nickel and Cobalt Resources Comprehensive Utilization, Lanzhou 737100, China，2Lanzhou Jinchuan New Material Co., Ltd., Lanzhou 737100, China |
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Abstract Metal injection molding (MIM) powders produced by different preparation processes have their own advantages and disadvantages. The process flow of preparing MIM powder by atomization method and carbonyl method was analyzed. The effects of metal powder density, particle size distribution, chemical composition, morphology and oxygen content on MIM process were mainly introduced. It was pointed out that it is one of the key directions of MIM development in the future to master the production process and performance of powder in the process of powder selection and application so as to give full play to its greatest advantages in subsequent products.
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Received: 25 October 2017
Published: 25 April 2019
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2019, Vol. 29 
