合金元素对JWENiCrMo-3镍基焊条熔敷金属性能影响

王学东; 李伟; 王士山; 边境; 崔晓东; 王立志

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合金元素对JWENiCrMo-3镍基焊条熔敷金属性能影响
Influence of alloying elements on deposited metal properties of JWENiCrMo-3 nickel-based electrode
2019年49卷第2期页码：30-37
DOI：

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王学东, 李伟, 王士山, 等. 合金元素对JWENiCrMo-3镍基焊条熔敷金属性能影响[J]. 电焊机, 2019,49(2):30-37.

WANG Xuedong, LI Wei, WANG Shishan, et al. Influence of alloying elements on deposited metal properties of JWENiCrMo-3 nickel-based electrode[J]. 2019,49(2):30-37.
王学东, 李伟, 王士山, 等. 合金元素对JWENiCrMo-3镍基焊条熔敷金属性能影响[J]. 电焊机, 2019,49(2):30-37. DOI：

WANG Xuedong, LI Wei, WANG Shishan, et al. Influence of alloying elements on deposited metal properties of JWENiCrMo-3 nickel-based electrode[J]. 2019,49(2):30-37. DOI：

摘要

设计了一种CaO-CaF,2,-TiO,2,型碱性渣系,选用ERNiCrMo-3作为焊芯,制备适用于因康镍625合金焊接的镍基焊条JWENiCrMo-3。通过调整药皮中合金组分的加入量,优化熔敷金属合金元素的配比,制备出合金含量不同的镍铬钼合金,研究其力学性能、抗裂性能和高温氧化性能,熔金中锰铬钼铌含量居于标准值中线时,焊条的综合性能最佳。

Abstract

A CaO-CaF,2,-TiO,2, basic slag system was designed,ERNi Cr Mo-3 was selected as the welding core,to prepare nickel base electrode JWENiCrMo-3 suitable for Inconel625 alloy welding. The amount of alloy component in the coating was adjusted,optimizing the ratio of metal alloy elements,several Ni-Cr-Mo alloys with different alloy contents were obtained,the mechanical properties,crack resistance and high temperature oxidation resistance were studied.