EFFECT OF ACCELERATING VOLTAGE ON MICROSTRUCTURE AND STATICS PROPERTIES OF SS304 DEPOSITED BY ELECTRON BEAM FUSE

CHEN JiaQi; SUN BaoFu; NING Wei; FENG MeiRong

doi:10.16579/j.issn.1001.9669.2024.04.014

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EFFECT OF ACCELERATING VOLTAGE ON MICROSTRUCTURE AND STATICS PROPERTIES OF SS304 DEPOSITED BY ELECTRON BEAM FUSE

Experimental Research · Testing Technology | 更新时间：2024-12-26

- EFFECT OF ACCELERATING VOLTAGE ON MICROSTRUCTURE AND STATICS PROPERTIES OF SS304 DEPOSITED BY ELECTRON BEAM FUSE
- Journal of Mechanical Strength Vol. 46, Issue 4, Pages: 859-866(2024)
- 作者机构：
  
  1. 桂林理工大学机械与控制工程学院
  2. 桂林狮达技术股份有限公司
  3. 桂林市永福县计量检定测量所
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2024.04.014
  CLC： TG456.3
- Published：15 August 2024，
- 稿件说明：
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CHEN JIAQI, SUN BAOFU, NING WEI, et al. EFFECT OF ACCELERATING VOLTAGE ON MICROSTRUCTURE AND STATICS PROPERTIES OF SS304 DEPOSITED BY ELECTRON BEAM FUSE. [J]. Journal of mechanical strength , 2024, 46(4): 859-866.
DOI：

CHEN JIAQI, SUN BAOFU, NING WEI, et al. EFFECT OF ACCELERATING VOLTAGE ON MICROSTRUCTURE AND STATICS PROPERTIES OF SS304 DEPOSITED BY ELECTRON BEAM FUSE. [J]. Journal of mechanical strength , 2024, 46(4): 859-866. DOI： 10.16579/j.issn.1001.9669.2024.04.014.

摘要

电子束熔丝沉积(Electron Beam Fuse Deposition

EBFD)是近年来发展较为迅速的金属3D打印技术。采用EBFD技术针对304不锈钢材料进行打印

比较电子束熔丝沉积过程中不同加速电压对成形产品宏观形貌、致密度、显微组织和力学性能的影响。结果表明

加速电压为50 kV时

微观组织中奥氏体晶粒较少

加速电压增加至60 kV时

奥氏体晶界完全形成

并随着加速电压增加而持续生长;当加速电压为60 kV时

综合力学性能表现最佳

各向异性表现最弱

断口也表现为韧性断裂。

Abstract

Electron beam fuse deposition(EBFD)is a rapidly developed metal 3D printing technology in recent years.The EBFD technology was used to print 304 stainless steel materials.The effects of different accelerating voltages in the process of EBFD on the morphology

density

microstructure and mechanical properties of the forming products were compared.The results show that when the accelerating voltage is 50 kV

there are a few austenite grains in the microstructure.When the accelerating voltage is increased to 60 kV

the austenite grain boundary is completely formed

and the growth continues with the increase of the accelerating voltage.When the accelerating voltage is 60 kV

the comprehensive mechanical properties are the best

the anisotropy is the weakest

and the fracture is ductile fracture.

关键词

电子束熔丝沉积304不锈钢加速电压各向异性

Keywords

Electron beam fuse depositionSS304Accelerating voltageAnisotropy

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