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A Novel near Net-Shape Technique for P/M Parts with Large H/D Ratio

Yong LIU , Baiyun HUANG , Kechao ZHOU , Hongwu OUYANG , Yuehui HE

In order to overcome the shortcomings of conventional hot pressing, a novel near net-shape technique, called radial hot pressing, for P/M parts with large height-to-diameter (H/D) ratio was introduced. Effects of processing parameters on the microstructures and density of P/M TiAl base alloy valves ...

关键词: Near net-shape technique , null , null

A Novel Method for Preparation of TaC Coating on C/C Composite Material

Hanwei HE , Kechao ZHOU

材料科学技术（英文）

A new method for preparation of TaC coating on C/C composite material is reported. The amorphous ethylate tantalum jellied as the precursor is prepared and spread densely on the surface of the C/C composite material so as to form a multilayer film. In a graphitization furnace the multilayer film is ...

关键词: C/C composite , composite , material , TaC , coating , ethyl

材料期刊网

A Novel near Net-Shape Technique for P/M Parts with Large H/D Ratio

A Novel Method for Preparation of TaC Coating on C/C Composite Material

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