硬质合金注射成形技术研究进展

ADVANCES IN POWDER INJECTION MOLDING OF CEMENTED CARBIDES

粉末注射成形技术作为一种先进的成形方法近年来受到广泛的关注 ,得到了迅速的发展。本文综述了粉末注射成形技术的工艺特点、技术现状以及在硬质合金异型产品制备中的应用 。

Powder injection molding,as an advanced net-shape-forming technology,has attracted more and more attention in the manufacture industry.In this paper,characteristics of this technology and its applications to the cemented carbides are reviewed.The main factors affecting the properties and dimensions of the PIM cemented carbide parts are analyzed.It is proposed that special powders and new binders as well as carbon controlling technology should be developed in order to get cemented carbide parts with high performance and good dimension accuracy.