Improvement of Wear Component's Performance by Utilizing Advanced Materials and New Manufacturing Technologies: Castcon Process for Mining Applications. Quarterly Technical Progress Report. For the Period Starting April 1, 2003 ending June 30, 2003.

Huang, X. ; Gertsch, R.

Technical Information Center Oak Ridge Tennessee

关键词: Mining equipment;    Cutting tools;    Tungsten carbides;    Wear resistance;    Crack propagation;   

RP-ID  :  DE2005837256

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

During this reporting period, we mainly focused on solving the disc distortion problem that was encountered in the last quarter. A slower heating rate during off-gassing was tested to reduce the HIPping can expansion. However, slight expansion still occurred. Two 6.5 inch discs were produced with many defects. One was made of H13 powder only and the other was made of H13 powder with WC inserts. It was believed that the defects were caused by the slight expansion of the HIP can during the elevated temperature off-gassing and a vacuum leak in the HIPping can.