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Author:

栗卓新 (栗卓新.) | 白建涛 (白建涛.) | TILLMANN Wolfgang (TILLMANN Wolfgang.)

Indexed by:

CQVIP PKU CSCD

Abstract:

综述了不锈钢焊接烟尘中六价铬(Cr(Ⅵ))的影响因素、检测及控制、产生机制,指出:1)保护气体氧化性越高,焊接烟尘中Cr(Ⅵ)占烟尘中总Cr质量比越高;气体保护焊(gas metal arc welding,GMAW)时,短路过渡比射流过渡烟尘中Cr(Ⅵ)占总Cr的质量比高.2)焊材中的K、Na易同烟尘中Cr(Ⅵ)化合物离子CrO2-4、Cr2O2-7形成稳定的Na2CrO4和K2CrO4,应将其限制在一定的范围内.3)固-液提取检测方法检测Cr(Ⅵ)与固态物种检测相比具有造价低、易操作和适合定量检测的优点.

Keyword:

Cr(Ⅵ) 不锈钢焊接 烟尘

Author Community:

  • [ 1 ] 北京工业大学材料学院
  • [ 2 ] 多特蒙德工业大学材料工程研究所

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Source :

北京工业大学学报

Year: 2014

Issue: 11

Volume: 40

Page: 1751-1758

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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