有色金属科学与工程
有色金屬科學與工程
유색금속과학여공정
JIANGXI NONFERROUS METALS
2015年
1期
59-65
,共7页
白鑫涛%王锦霞%谢宏伟%崔富辉%翟玉春
白鑫濤%王錦霞%謝宏偉%崔富輝%翟玉春
백흠도%왕금하%사굉위%최부휘%적옥춘
TiC%非传统合成方法%电化学还原法%熔盐
TiC%非傳統閤成方法%電化學還原法%鎔鹽
TiC%비전통합성방법%전화학환원법%용염
TiC%non-traditional synthetic methods%electrochemical reduction%molten salts
传统上,TiC一直采用碳热还原法进行生产。该法存在温度高,设备要求严格和产品纯度低等不足。为了加深针对上述不足和TiC产品特殊需求而开发的一些非传统的TiC合成方法的了解,文中根据反应机理,将非传统的TiC合成方法按照活泼金属热还原法、化学气相沉积法(CVD)、直接碳化法和电化学还原法等进行了分类和评述。对比发现,电化学还原法合成TiC具有原料成本低、合成温度低、工艺简单和对环境友好等特点,该法必将引起学术界和产业界的关注。
傳統上,TiC一直採用碳熱還原法進行生產。該法存在溫度高,設備要求嚴格和產品純度低等不足。為瞭加深針對上述不足和TiC產品特殊需求而開髮的一些非傳統的TiC閤成方法的瞭解,文中根據反應機理,將非傳統的TiC閤成方法按照活潑金屬熱還原法、化學氣相沉積法(CVD)、直接碳化法和電化學還原法等進行瞭分類和評述。對比髮現,電化學還原法閤成TiC具有原料成本低、閤成溫度低、工藝簡單和對環境友好等特點,該法必將引起學術界和產業界的關註。
전통상,TiC일직채용탄열환원법진행생산。해법존재온도고,설비요구엄격화산품순도저등불족。위료가심침대상술불족화TiC산품특수수구이개발적일사비전통적TiC합성방법적료해,문중근거반응궤리,장비전통적TiC합성방법안조활발금속열환원법、화학기상침적법(CVD)、직접탄화법화전화학환원법등진행료분류화평술。대비발현,전화학환원법합성TiC구유원료성본저、합성온도저、공예간단화대배경우호등특점,해법필장인기학술계화산업계적관주。
TiC has traditionally been produced by the carbon-thermal reduction method, which has some drawbacks, including high temperature, equipment demanding and low-purity products. Some non-traditional synthetic ways are developed to overcome the carbon-thermal reduction deficiencies and meet the market demands. This paper classifies and analyzes these non-traditional TiC synthetic methods according to their reaction mechanisms. These methods include metal-thermal reduction, chemical vapor deposition, direct carbonation and electrochemical reduction. The results indicate that the electrochemical reduction has the advantages of low raw materials cost, low synthetic temperature, simple technology and environment friendliness, which will ensure the attention of academic world and industrial community.