不同回火温度对冶金锯片用钢65Mn力学性能的影响  

Effect of Temper Temperature on the Mechanical Properties in 65Mn Saw Blade for Metallurgy

作　　者：王林[1] 赵玉宏[1] 苑少强[2] 梁国俐[2] 

机构地区：[1]唐山冶金锯片有限公司,河北唐山063020 [2]唐山学院科研处,河北唐山063000

出　　处：《北华航天工业学院学报》2009年第2期5-7,共3页Journal of North China Institute of Aerospace Engineering

基　　金：唐山市科学技术研究与发展计划(08160201A-1.1)

摘　　要：利用力学性能测试及热处理分析,在360℃-540℃之间对冶金锯片用钢65Mn进行了连续回火处理。结果显示:随着回火温度的升高,试样的强度及硬度连续下降。在400-420℃之间,发现了回火脆性,冲击值、断面收缩率和延伸率发生明显变化。实验结果为预防锯片工作过程中的失效提供了技术参考。By means of heat-treatment analysis and mechanical measurement, saw blade for metallurgy made of 65 Mn steel was continuously tempered at 360℃ - 540℃. The experimental results showed that the strength and hardness of samples declined continuously with the increasing temperature. At about 400 - 420℃, the temper brittleness and its properties changed obviously in the samples such as the impact value, reduction area and elongation rate. The results would provide technical references for preventing failures of saw blade functioning.

关 键 词：回火 冶金锯片 65Mn 力学性能 

分 类 号：TG333.22[金属学及工艺—金属压力加工]