退火露点对TWIP钢选择性氧化及可镀性的影响

被引:6
作者
王玉
崔青玲
李建平
刘晓舟
机构
[1] 东北大学轧制技术及连轧自动化国家重点实验室
关键词
TWIP钢; 热镀锌; 露点; 选择性氧化; 氧势;
D O I
10.13251/j.issn.0254-6051.2017.02.035
中图分类号
TG174.44 [金属复层保护]; TG161 [钢的热处理];
学科分类号
摘要
以TWIP钢为研究对象,在不同露点和温度下进行退火-镀锌试验,采用FE-SEM、EDS能谱仪和EPMA对退火试样进行分析,并与镀锌效果对照,得到退火气氛对可镀性的影响。试验结果表明:在两种退火温度下,露点为-50℃时,氧势低,极少量的Mn发生外氧化,热镀锌效果较好;随着露点升高,氧势升高,表面生成更多膜状和颗粒状Mn的氧化物,可镀性变差;而氧势足够高时,致使部分Mn发生内氧化,表面覆盖少量的块状Mn的氧化物,且有Al的氧化物出现,镀锌效果最好。
引用
收藏
页码:163 / 167
页数:5
相关论文
共 16 条
  • [1] 先进高强钢板可镀性及内氧化模型研究进展
    崔青玲
    李建平
    张晓明
    [J]. 轧钢, 2011, (03) : 43 - 46+53
  • [2] Phase transformation and mechanical properties of Si-free CMnAl transformation-induced plasticity-aided steel
    Mahieu, J
    Maki, J
    De Cooman, BC
    Claessens, S
    [J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2002, 33 (08): : 2573 - 2580
  • [3] Impact of selective oxidation during inline annealing prior to hot-dip galvanizing on Zn wetting and hydrogen-induced delayed cracking of austenitic FeMnC steel[J] . Marc Blumenau,Afrooz Barnoush,Ingo Thomas,Harald Hofmann,Horst Vehoff. &nbspSurface & Coatings Technology . 2011 (2)
  • [4] Reactive wetting during hot-dip galvanizing of high manganese alloyed steel[J] . Marc Blumenau,Martin Norden,Frank Friedel,Klaus Peters. &nbspSurface & Coatings Technology . 2010 (10)
  • [5] Selective Oxidation of TWIP Steel During Continuous Annealing
    Cho, Lawrence
    Cooman, Bruno C. De
    [J]. STEEL RESEARCH INTERNATIONAL, 2012, 83 (04) : 391 - 397
  • [6] Effect of dew point on the formation of surface oxides of twinning-induced plasticity steel[J] . Yunkyum Kim,Joonho Lee,Kwang-Soo Shin,Sun-Ho Jeon,Kwang-Geun Chin. &nbspMaterials Characterization . 2014
  • [7] The influence of the dew point on the wettability of twinning-induced-plasticity steels by liquid Zn–0.23-wt% Al[J] . Yunkyum Kim,Kwang-Soo Shin,Sun-Ho Jeon,Kwang-Geun Chin,Joonho Lee. &nbspCorrosion Science . 2014
  • [8] 热镀锌DP780双相钢的选择性氧化行为研究[D]. 李远鹏.钢铁研究总院 2012
  • [9] Hot dip galvanizing of Al alloyed TRIP steels. Mahieu J,Maki J,Claessens S,et al. 43rd Mechanical Working and Steel Processing Conference Proceedings . 2001
  • [10] Perspectives on coated advanced high strength steels for automotive applications. Bhattacharya,Debanshu. Metallurgia Italiana . 2011