Repetitious-Hot-Pressing Technique in Hot-Pressing Process

J Mater Sci Technol ›› 2003, Vol. 19 ›› Issue (05): 486-488.

• Research Articles • Previous Articles Next Articles

Repetitious-Hot-Pressing Technique in Hot-Pressing Process

Shixue SONG, Xing AI, Wei GAO, Jun ZHAO

School of Mechanical Engineering, Shandong University, Jinan 250061, China;School of Science, Jinan University, Jinan 250022, China

Received:1900-01-01 Revised:1900-01-01 Online:2003-09-28 Published:2009-10-10
Contact: Shixue SONG

Abstract

Abstract: A new pressing method was proposed for hot-pressing process. Experimental results indicated that the porosity in Al2O3/TiC/ Ni/Mo (hereafter called Al2O3/TiC composite) composite compacts decreases by 6% after adopting this new technique, compared to traditional hot-pressing technique under the same sintering temperature. The flexural strength and Vicker hardness increase from 883~MPa to 980~MPa and from 16 GPa to 21.1 GPa, respectively. A theoretical model was given to analyze the densification mechanism of the composite in the process of repetitious-hot-pressing.

Key words: Hot-pressing sintering, Repetitious-hot-pressing sintering, Composite

Shixue SONG, Xing AI, Wei GAO, Jun ZHAO. Repetitious-Hot-Pressing Technique in Hot-Pressing Process[J]. J Mater Sci Technol, 2003, 19(05): 486-488.

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Repetitious-Hot-Pressing Technique in Hot-Pressing Process

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