真空炉低温区炉温均匀性探讨北京航空材料研究院（北京１０００９５）张善庆刘忠秋莫卫红北京华翔机电技术联合公司孙强１前言一般真空炉都在高于５００℃使用，主要用于淬火或高温回火。如何扩大真空炉的使用范围，使其能在低温下使用是真空热处理界非常关注的一个问题。... Discussion on the Uniformity of Furnace Temperature in the Low Temperature Zone of Vacuum Furnace Beijing Aeronautical Materials Research Institute (Beijing 100095) Zhang Shanqing Liu Zhongqiu Mo Weihong Beijing Union Power Machinery Technology Co., Ltd. Sun Qiang 1 Introduction Generally, all vacuum furnaces are used at temperatures above 500 ℃ and are mainly used for quenching Or high temperature tempering. How to expand the use of vacuum furnace, so that it can be used at low temperatures is the vacuum heat treatment sector is very concerned about a problem. ...