An Analysis on Formation of Pore and Density of Spray forming Deposition Billet of Steel GCr15

樊文军; 张胤; 韩翠珍

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An Analysis on Formation of Pore and Density of Spray forming Deposition Billet of Steel GCr15

更新时间：2026-01-21

- An Analysis on Formation of Pore and Density of Spray forming Deposition Billet of Steel GCr15
- Special Steel Vol. 33, Issue 1, Pages: 1-4(2012)
- 作者机构：
  
  1. 内蒙古科技大学 1稀土学院
  2. 内蒙古自治区白云鄂博矿多金属资源综合利用重点实验室，省部共建国家重点实验室培养基地,包头,014010
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：08 June 2011，
  
  Online First：19 September 2022，
  
  Published：19 September 2012
- 稿件说明：
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樊文军, 张胤, 韩翠珍. An Analysis on Formation of Pore and Density of Spray forming Deposition Billet of Steel GCr15[J]. Special Steel, 2012, 33(1): 1-4.
DOI：

樊文军, 张胤, 韩翠珍. An Analysis on Formation of Pore and Density of Spray forming Deposition Billet of Steel GCr15[J]. Special Steel, 2012, 33(1): 1-4. DOI：

摘要

GCr15钢(1.01%C、1.48%Cr)经100kg中频感应炉熔化至1 580℃

金属液流经炉底导液管喷嘴处被高压氮气流在雾化室雾化成微米级液滴

在基底形成沉积坯。通过使用金相显微镜、扫描电镜对GCr15钢喷射成形试样的孔隙分布、微观组织和密度进行比较分析。结果表明

沉积坯截面上有宏观孔隙

在整个截面上也存在一些形状不规则的孔隙;沉积坯整体平均相对致密度为85.51%。

Abstract

As the steel GCrl5 (1. 01%C

1. 48% Cr) is melted in an 100 kg induction furnace up to 1 580 ℃

the metal liquid flows through furnace bottom liquid conduct nozzle and sprays in atomized chamber by high pressure nitrogen flow to atomize micron liquid drops and form deposition billet at bottom. The compared analysis on pore distribution

microstructure and density of spraying formed steel GCrl5 has been carried out by using optical microscope

scanning electron microscope. Results show that there are macro-pores at deposition billet cross section and irregular-shaped micro-pores distributed in whole deposition billet. The average relative density of whole deposited billet is 85. 51%.

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