Influences of Synthesis Techniques on Curved Ceramic\|Lined\=Pipes by Gravitational Separation SHS Process

Ye Minghui\ Zhao ZhongminWang Jiangjiang\ Du Xinkang

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Influences of Synthesis Techniques on Curved Ceramic\|Lined\=Pipes by Gravitational Separation SHS Process
Issue S1, (1999)
Published： 1999 ，
DOI：

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[1]叶明惠,赵忠民,王建江,杜心康.合成工艺对重力分离SHS陶瓷内衬弯管的影响[J].特种铸造及有色合金,1999(S1):59-61.

Ye Minghui\ Zhao ZhongminWang Jiangjiang\ Du Xinkang. Influences of Synthesis Techniques on Curved Ceramic\|Lined\=Pipes by Gravitational Separation SHS Process. [J]. Special Casting & Nonferrous Alloys (S1).(1999)
[1]叶明惠,赵忠民,王建江,杜心康.合成工艺对重力分离SHS陶瓷内衬弯管的影响[J].特种铸造及有色合金,1999(S1):59-61. DOI：

Ye Minghui\ Zhao ZhongminWang Jiangjiang\ Du Xinkang. Influences of Synthesis Techniques on Curved Ceramic\|Lined\=Pipes by Gravitational Separation SHS Process. [J]. Special Casting & Nonferrous Alloys (S1).(1999) DOI：

摘要

通过重力分离ＳＨＳ法制备陶瓷内衬复合弯管，研究了合成工艺（装料密度和预热温度）对铝热燃烧过程和复合弯管组织性能的影响。研究发现，装料密度对燃烧过程具有双重影响，燃烧速率和陶瓷层中尖晶石含量在装料密度为１．５ｇ／ｃｍ３时，分别具有极大值和极小值；预热处理可极大促进燃烧过程，使得燃烧速率随预热温度升高而增大，并引起陶瓷层中尖晶石含量减少

Abstract

Based on gravitational separation SHS process to produce curved ceramic\|lined pipes

influences of synthesis techniques including mixture density and preheating temperature on thermit combustion process

and the structure and properties of the curved pipes have been investigated . It is found that mixture density has duplex effects on combustion process

and maximum combustion rate and minimum content of spinel phases in ceramic layers reach as mixture density up to \{1.5\} g/cm\+2; Preheating treatment will promote combustion process greatly

increase combustion rate and reduce spinel phase in ceramic layers with the increase of preheating temperature.\=

关键词

燃烧合成重力分离陶瓷内衬复合弯管装料密度预热

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StudyonSHSCeramic\|LindedPipes

Microstructural Evolution of TiB₂-（Ti,W）C Eutectic Composite Ceramics Prepared by Combustion Synthesis under High Gravity