SWRH77A和ZGMn13钢中氢含量测量  

Measurement of Hydrogen Content in SWRH77A and ZGMn13 Steels

作　　者：李强[1] 朱可 李西德 钱学海 赵四勇 曾建民[1] 

机构地区：[1]广西大学有色金属及加工新技术教育部重点实验室,广西 南宁 [2]广西柳钢技术中心,广西 柳州 [3]广西长城机械有限公司,广西 贺州

出　　处：《冶金工程》2020年第2期65-70,共6页Metallurgical Engineering

摘　　要：本工作针对两种具有重要用途的钢种SWRH77A盘条帘线钢和ZGMn13,用载气热萃取法测定了不同凝固条件下的氢含量。发现随着冷却速率的增加,氢在材料中的溶解程度增加,从而导致氢含量增加。在相同凝固条件下,氢在铸造耐磨钢ZGMn13中的含量比SWRH77A中要大。通过使用冷却速度更快的铸铁模具,测得的氢含量也可以作为液态合金中的氢含量的参考。In this work, the hydrogen content under different solidification conditions was measured by car-rier gas thermal extraction method for two kinds of steel grades with important applications, SWRH77A wire cord steel and ZGMn13. It is found that with the increasing of cooling rate, the de-gree of dissolution of hydrogen increases, resulting in an increase in hydrogen content. Under the same solidification conditions, the content of hydrogen in cast wear-resistant steel ZGMn13 is higher than that in SWRH77A. By using cast iron molds with faster cooling speed, the measured hydrogen content can also roughly reflect the hydrogen content in the liquid alloy.

关 键 词：帘线钢 铸造耐磨锰钢 氢含量 载气热萃取 

分 类 号：TG1[金属学及工艺—金属学]