改善55钢零件高频感应淬火金相组织的措施

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摘要：通过分析55钢制造减速器零件的高频感应淬火组织，并分别对零件的基体组织、感应加热功率、加热时间及淬火液浓度等影响淬火组织的各种因素进行试验验证，最后提出了改善55钢感应淬火金相组织的有效措施。

关键词：55钢；带状偏析；高频感应淬火；淬火液浓度；回火

Measures to improve the metallographic structure of 55 steel parts by high-frequency induction quenchin

WANG Longbang1， 2， ZHANG Cuili2

1. Hebei Henggong Precision Equipment Co.， Ltd.， Handan 056700， Hebei， China

2. Qingdao Sanxing Precision Forging Gear Co.， Ltd.， Qingdao 266300， Shandong， China

Abstract： This article analyzes the high-frequency induction quenching microstructure of 55 steel shafts， and verifies various factors that affect the quenching microstructure， such as the matrix structure of the shaft， induction heating power， heating time， quenching liquid concentration， etc. Finally， effective measures to improve the metallographic structure of55 steel induction quenching are proposed.

Keywords： 55 steel; banded segregation; high frequency induction quenching; quenching solution concentration; tempering

1 序言

感应加热已广泛应用于轴类、齿轮、齿轮轴、凸轮及法兰等工件的表面淬火，感应淬火不但提高了零件表层的耐磨性和抗疲劳性，而且保持了心部的韧性。（剩余3573字）