Microstructure and properties of composites gun drill bit/drill pipe interface produced by 3D printing method

被引：0
|
作者：
赵菲 [1 ]
王康 [1 ]
段宣政 [1 ]
张亮 [1 ]
机构：
[1] College of Materials, Taiyuan University of Science and Technology
来源：
China Welding | 2021年 / 30卷 / 04期
关键词：
D O I：
暂无
中图分类号：
TP391.73 []; TG713.1 [];
学科分类号：
080201 ;
摘要：
In this paper,the rapid and integrated manufacture method of 3 D printing gun drill is put forward. The 3 D printing process test of the composites gun drill composed of medium carbon steel drill shank, low alloy steel drill pipe and tungsten cobalt hard alloy drill bit is conducted. Microstructure and morphology of the composites gun drill interface between low alloy steel and tungsten cobalt hard alloy is analyzed using SEM. Element distribution and Phase composition of the interface between low alloy steel and tungsten cobalt hard alloy were tested and analyzed by EDS and XRD respectively. The oxidation resistance, micro hardness and corrosion resistance of the interface between low alloy steel and tungsten cobalt hard alloy were analyzed.The results show that the interface performance of 3 D printing composite gun drill is better than that of the welding gun drill. The rapid and integrated 3 D printing method is feasible for gun drill manufacture.
引用
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页码：51 / 57
页数：7
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