公开(公告)号：US07169238B2

公开(公告)日：2007-01-30

申请号：US10745107

申请日：2003-12-22

申请人： John B. Walenta ,  Charles F. Berndt ,  Thomas E. Clements ,  Steven M. Cross ,  Timothy M. Hoefft ,  Gary D. Keil

发明人： John B. Walenta ,  Charles F. Berndt ,  Thomas E. Clements ,  Steven M. Cross ,  Timothy M. Hoefft ,  Gary D. Keil

IPC分类号： C23C8/22

CPC分类号： C21D1/06 ,  C21D1/19 ,  C21D1/20 ,  C21D1/25 ,  C23C8/22

摘要： An article and method for forming an article having a hard-finished surface including a predetermined density of carbides to improve pitting and wear resistance and to significantly increase the overall life of the article. This method comprises selecting a carburizing grade material to form an article, carburizing the article to form a microstructure on at least one portion of the article having a predetermined density of carbides dispersed in the microstructure to a predetermined depth, quenching the article to form a hardened matrix dispersed with carbides and hard finishing the article to form the surface, the surface having at least approximately 20% by volume fraction carbides dispersed in the hardened matrix.

摘要翻译： 一种用于形成具有包括预定密度的碳化物的硬化表面以改善点蚀和耐磨性并且显着增加制品的整个寿命的制品的制品和方法。 该方法包括选择渗碳级材料以形成制品，使制品渗碳以在具有分散在微结构中的预定密度的碳化物的至少一部分上形成微结构至预定深度，淬火制品以形成硬化 基质用碳化物分散并硬化整理制品以形成表面，该表面具有分散在硬化基体中的至少约20体积％的碳化物。