Performance Improvement of Ceramic-lined Steel Pipes by Centrifugal-SHS Process

Zhu Yu; Sun Shugang; Ni Hongjun; Huang Mingyu

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Performance Improvement of Ceramic-lined Steel Pipes by Centrifugal-SHS Process
Vol. 30, Issue 12, Pages: 1137-1139(2010)
Published： 2010 ，
DOI：

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[1]朱昱,孙书刚,倪红军,黄明宇.提高SHS-离心陶瓷复合钢管性能的研究[J].特种铸造及有色合金,2010,30(12):1137-1139+1075-1076.

Zhu Yu, Sun Shugang, Ni Hongjun, et al. Performance Improvement of Ceramic-lined Steel Pipes by Centrifugal-SHS Process. [J]. Special Casting & Nonferrous Alloys 30(12):1137-1139(2010)
[1]朱昱,孙书刚,倪红军,黄明宇.提高SHS-离心陶瓷复合钢管性能的研究[J].特种铸造及有色合金,2010,30(12):1137-1139+1075-1076. DOI：

Zhu Yu, Sun Shugang, Ni Hongjun, et al. Performance Improvement of Ceramic-lined Steel Pipes by Centrifugal-SHS Process. [J]. Special Casting & Nonferrous Alloys 30(12):1137-1139(2010) DOI：

摘要

采用SHS离心法制备了陶瓷复合钢管

研究了铝热剂中添加质量分数为4%的ZrO2、5%的SiO2和1%、2%、3%、4%的Na2B4O7对其组织性能的影响。XRD分析表明

陶瓷层的主要成分为α-Al2O3、FeAl2O4、Al2SiO5、ZrO2;金相显微镜观察发现

陶瓷层表面晶粒排布较致密;SEM观察发现陶瓷层的孔隙较少

试验表明

致密度可达96.8%;在电子万能力学试验机上测试了复合钢管力学性能

结果表明

抗压强度和剪切强度分别达到394和23.14MPa。

Abstract

Ceramic-lined steel pipes were prepared by centrifugal-SHS technology

and effects of 4% ZrO2+5%SiO2 and varied Na2B4O7 in thermite on microstructure and properties of composite steel pipe were investigated. XRD analysis shows that the ceramic layer is mainly composed of α-Al2O3

FeAl2O4

Al2SiO5 and ZrO2. OM observation verifies that grain is densely distributed on the surface of ceramic layer. SEM observation shows that there exists low porosity in the ceramic layer

and relative density reaches up to 96.8%. Mechanical properties of the composite steel pipe were tested by electron universal tester. The results show that crushing strength and shearing strength reach 394MPa and 23.14MPa

respectively.