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《Powder Metallurgy Technology》 2004-01
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Production of nitrogenous austenitic stainless steel by powder forging

Zhou Candong 1), 2), Jiang Guochang 2), Zhu Yuru 2), Zhong Shouliang 3)1) (Baosteel Technical Centre, Shanghai 20190, China)2) (Shanghai Enhanced Laboratory of Ferrometallurgy, Shanghai University, Shanghai 200072, China)3) (Department of Ceramics and Powder Materials, Shanghai Research Institute of Materials, Shanghai 200437, China)  
A technique of producing nitrogenous stainless steel is introduced in this paper. It includes the following procedures:canning with nitrided steel powder→sintering→sealing the can→forging . This method is simple and easy to operate. It does not have any special need for the processing devices. The tightness of the nitrogenous austenitic stainless steel produced by this technology can top the level above 99%. The nitrogen content is accordant with the definition of nitrogenous steel and its tensile properties are close to those of the materials produced by powder injection moulding and high pressure melting method.
【Fund】: 上海市科技发展基金资助项目 ( 95 5 2 1 1 0 5 7)
【CateGory Index】: TF124
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