Effect of reactive alloy elements on friction stir welded butt joints of metallurgically immiscible magnesium alloys and steel

Wang Tianhao; Shukla Shivakant; Gwalani Bharat; Komarasamy Mageshwari; Reza-Nieto Luis; Mishra Rajiv S.

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Effect of reactive alloy elements on friction stir welded butt joints of metallurgically immiscible magnesium alloys and steel

机译：反应性合金元素对镁不溶混镁合金和钢的摩擦搅拌对接接头的影响

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摘要

Magnesium alloys (AZ31 and WE43) and steel (316 stainless steel, SS316) were butt welded through friction stir welding. Even though Mg and Fe are metallurgically immiscible, intermetallic compounds (IMCs) formed at the welded interface due to the existence of alloying elements in both magnesium alloys and steel. The formation of IMCs among alloying elements and the matrix were verified by thermodynamic and kinetic calculations and microstructural characterization. The elastic modulus mismatch and resultant stress concentration during tensile testing lead to interfacial fracture and the very existence of IMCs impaired dissimilar joint strength due to the brittleness of the IMCs.

机译：镁合金（AZ31和WE43）和钢（316不锈钢，SS316）通过搅拌摩擦焊对接。即使Mg和Fe在冶金上是不溶混的，但由于镁合金和钢中都存在合金元素，因此在焊接界面形成了金属间化合物（IMC）。通过热力学和动力学计算以及微结构表征验证了合金元素和基体之间IMC的形成。拉伸试验过程中的弹性模量不匹配以及由此产生的应力集中会导致界面断裂，并且由于IMC的脆性，IMC的存在削弱了不同的接头强度。

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来源
《Journal of Manufacturing Processes》 |2019年第3期|138-145|共8页
作者
Wang Tianhao; Shukla Shivakant; Gwalani Bharat; Komarasamy Mageshwari; Reza-Nieto Luis; Mishra Rajiv S.;
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作者单位

Univ North Texas, Ctr Frict Stir Proc, Denton, TX 76203 USA|Univ North Texas, Adv Mat Mfg Proc Inst, Denton, TX 76203 USA;

Univ North Texas, Ctr Frict Stir Proc, Denton, TX 76203 USA|Univ North Texas, Adv Mat Mfg Proc Inst, Denton, TX 76203 USA;

Univ North Texas, Ctr Frict Stir Proc, Denton, TX 76203 USA|Univ North Texas, Adv Mat Mfg Proc Inst, Denton, TX 76203 USA|Univ North Texas, AMMPI, Denton, TX 76203 USA;

Univ North Texas, Ctr Frict Stir Proc, Denton, TX 76203 USA|Univ North Texas, Adv Mat Mfg Proc Inst, Denton, TX 76203 USA;

Univ North Texas, Ctr Frict Stir Proc, Denton, TX 76203 USA|Univ North Texas, Adv Mat Mfg Proc Inst, Denton, TX 76203 USA;

Univ North Texas, Ctr Frict Stir Proc, Denton, TX 76203 USA|Univ North Texas, Adv Mat Mfg Proc Inst, Denton, TX 76203 USA|Univ North Texas, AMMPI, Denton, TX 76203 USA;

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正文语种 eng
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关键词
Dissimilar metals; Immiscible; Butt joining; Intermetallic compound; Thermodynamic and kinetic calculation;

机译：异种金属;不混溶;对接;金属间化合物;热力学和动力学计算;

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1. Towards Obtaining Sound Butt Joint Between Metallurgically Immiscible Pure Cu and Stainless Steel Through Friction Stir Welding [J] . Wang Tianhao, Shukla Shivakant, Nene Saurabh S., Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2018,第7期

机译：通过摩擦搅拌焊接获得冶金上不混溶的纯Cu和不锈钢之间的声对接接头
2. Effect of welding speed on the quality of friction stir welded butt joints of a magnesium alloy [J] . X. Cao, M. Jahazi Materials & design . 2009,第6期

机译：焊接速度对镁合金搅拌摩擦对接接头质量的影响
3. Mechanical and metallurgical properties of friction stir welded dissimilar joints of AZ91 magnesium alloy and AA 6082-T6 aluminium alloy [J] . Sameer MD, Anil Kumar Birru Journal of Magnesium and Alloys . 2019,第2期

机译：AZ91镁合金和AA 6082-T6铝合金的摩擦搅拌焊接异种接头的机械和冶金性能
4. FRICTION STIR WELDING OF AZ31B-H24 MAGNESIUM ALLOY BUTT JOINTS [C] . X. Cao, M. Jahazi, R. Mehta International Friction Stir Welding Symposium . 2006

机译：AZ31B-H24镁合金对接接头的摩擦搅拌焊接
5. Fundamental studies of friction-stir welding (FSW) of magnesium alloys to 6061-T6 aluminum and FSW of dissimilar magnesium alloys. [D] . Somasekharan, Anand Chandrika. 2005

机译：镁合金与6061-T6铝的搅拌摩擦焊（FSW）和异种镁合金的FSW的基础研究。
6. Microstructural Evolution and Mechanical Properties of Friction Stir Welded Butt Joints of 5A06 Alloy Ultra-Thin Sheets [O] . Yang Han, Xiaoqing Jiang, Tao Yuan, 2019

机译：5A06合金超薄板搅拌摩擦焊接对接头的组织演变和力学性能。
7. Some Aspects of Cross Butt Friction Stir Weldments of Rare Earth Magnesium Alloys: Novel Attempts in Friction Stir Welding [O] . M. Govindaraj, J. Kandasamy, M. Manzoor Hussain, 2012

机译：稀土镁合金交叉对接摩擦胶层的一些方面：摩擦搅拌焊接的新试

Effect of reactive alloy elements on friction stir welded butt joints of metallurgically immiscible magnesium alloys and steel

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