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Author:

栗卓新 (栗卓新.) | 李国栋 (李国栋.) | 魏琪 (魏琪.) | 蒋建敏 (蒋建敏.)

Indexed by:

incoPat zhihuiya

Abstract:

一种不锈钢管背面无保护实芯焊丝打底焊接技术,属于材料加工工程的焊接领域,主要用于石油、化工、医药、造船、食品等领域的奥氏体不锈钢的焊接。本发明特征在于,采用实芯焊丝ER308L-Si或ER316L-Si配合配比为:氦气的体积百分含量为85~94%;氩气的体积百分含量为5~10%;二氧化碳气体的体积百分含量为1%~5%的多元混合气体(He+Ar+CO2)按照常规的焊接规范参数进行不锈钢管道的打底焊接。本发明背面无需保护气体,可减少焊前的准备工作以及充氩所需的费用,因而可提高生产效率,降低生产成本。因背面无需保护气体,尤其适用于大直径不锈钢管道、长距离不锈钢管道、现场高空作业等的焊接施工。

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Patent Info :

Type: 发明授权

Patent No.: CN03154480.0

Filing Date: 2003-09-30

Publication Date: 2006-08-30

Pub. No.: CN1272139C

Applicants: 北京工业大学

Legal Status: 未缴年费 ; 许可

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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