[1]鮑建東,張貴鋒,唐英利,等.銅合金塑性與成分對其與鋼材攪拌摩擦釬焊可焊性的影響[J].焊管,2020,43(1):7-14,19.[doi:10.19291/j.cnki.1001-3938.2020.01.002]
 BAO Jiandong,ZHANG Guifeng,TANG Yingli,et al.Influence of Plasticity and Composition of Copper Alloy on Weldability of Friction Stir Brazing with Steel[J].,2020,43(1):7-14,19.[doi:10.19291/j.cnki.1001-3938.2020.01.002]
點擊復制

銅合金塑性與成分對其與
鋼材攪拌摩擦釬焊可焊性的影響
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
43
期數:
2020年第1期
頁碼:
7-14,19
欄目:
試驗與研究
出版日期:
2020-01-28

文章信息/Info

Title:
Influence of Plasticity and Composition of Copper Alloy on Weldability of
Friction Stir Brazing with Steel
文章編號:
10.19291/j.cnki.1001-3938.2020.01.002
作者:
鮑建東1張貴鋒1唐英利2張建勛1
1. 西安交通大學 金屬材料強度國家重點實驗室 焊接研究所,西安710049;
2. 西安市輕工業研究所,西安 710001
Author(s):
BAO Jiandong1 ZHANG Guifeng1 TANG Yingli2 ZHANG Jianxun1
1. State Key Laboratory for Mechanical Behavior of Materials, Institute of Welding Research, Xi’an Jiaotong University, Xi’an 710049, China;
2. Xi’an Light Industry Institute, Xi’an 710001, China
關鍵詞:
拌摩擦釬焊銅/鋼焊接熱裂紋未焊合板
Keywords:
friction stir brazing copper/steel welding hot crack unbond
分類號:
TG406
DOI:
10.19291/j.cnki.1001-3938.2020.01.002
文獻標志碼:
A
摘要:
為了解決搭接攪拌摩擦焊中出現的攪拌針磨損、焊接區域窄、鉤型缺陷等問題,將攪拌摩擦釬焊(FSB)技術分別應用于含錫鉛青銅(Cu-Sn-Pb)、H62黃銅及T2紫銅與45鋼的連接,以研究上方銅合金塑性與成分對界面接合的影響。結果顯示,以Sn作釬料的T2/45鋼接頭表面成形好,焊合率95%,僅在前進側出現局部未焊合缺陷;以Zn作釬料的含錫鉛青銅/45鋼組合因該銅合金熱裂而無法形成接頭,原因是含錫鉛青銅中偏聚的鉛塊會導致熱裂紋,并使潤濕性變差;以Zn作釬料,H62黃銅/45鋼接頭表面成形光滑,但因界面冶金反應不夠充分,接頭強度低。研究表明,FSB中上方工件的室溫與高溫塑形和成分分別對焊接接頭表面成形和界面反應有顯著影響;Cu-Sn-Pb過度溶解(溶穿出現裂紋)與H62黃銅溶解不足都影響結合強度,T2紫銅適度溶解與合金化有利于改善界面致密性與強度。
Abstract:
In order to solve the problems of lap friction stir welding, such pin wear, narrow welding area,and hook defects,the friction stir brazing(FSB) technology was applied to the connection of tin-containing lead bronze (Cu-Sn-Pb),H62 brass and T2 copper to 45 steel respectively,so as to study the influence of plasticity and composition of copper alloy on interface bonding. The results showed that the surface of the T2/45 steel joint with Sn as filler metal was well formed with a welding rate of 95%,local unwelded defects occurred only on the forward side;The tin-containing lead bronze /45 steel combination with Zn as filler metal cannot form a joint due to the hot crack of the copper alloy,the reason is that the lead block in Sn-containing lead bronze tends to lead to thermal cracking and poor wettability;with Zn as filler, the surface of H62 brass /45 steel joint is formed smooth,but the joint strength is low due to insufficient metallurgical reaction at the interface. The study indicated that the shaping and composition of the workpiece at room temperature and high temperature have significant influence on the surface forming and interface reaction of the welding joint respectively,the excessive dissolution of Cu-Sn-Pb (cracking occurs in the dissolution) and the insufficient dissolution of H62 brass both affect the bonding strength, and the moderate dissolution and alloying of T2 copper can improve the interfacial compactness and strength.

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備注/Memo

備注/Memo:
收稿日期:2019-02-12
基金項目: 陜西省技術創新引導專項資助項目(項目編號2017CGZH-XNGJ-01); 西安交通大學材料表面涂層改性創新團隊專項資助項目(項目編號2018—2021)。
作者簡介:鮑建東(1993—),西安交通大學在讀碩士,主要研究攪拌摩擦釬焊(FSB)、金屬基與陶瓷基復合材料釬焊。
通訊作者:張貴鋒(1965—),博士,西安交通大學材料學院焊接研究所教授,博導,主要從事焊接方法與焊接冶金的教學與科研工作。
更新日期/Last Update: 2020-02-21
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