ANALYSIS OF GROWTH MECHANISM OF DENDRITIC TITANIUM CARBIDES PRODUCED BY LASER ALLOYING OF PURE TITANIUM WITH GRAPHITE POWDER-Reference-Cited by-同舟云学术

ANALYSIS OF GROWTH MECHANISM OF DENDRITIC TITANIUM CARBIDES PRODUCED BY LASER ALLOYING OF PURE TITANIUM WITH GRAPHITE POWDER

Published:2005-02 Issue:01 Volume:12 Page:41-45
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

TIAN Y. S.¹,CHEN C. Z.¹,WANG D. Y.¹,HUO Q. H.¹,LEI T. Q.²

Affiliation:

1. School of Materials Science and Engineering, Shandong University, Jinan 250061, P. R. China

2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China

Abstract

The microstructure of dendritic titanium carbides fabricated by laser surface alloying of pure titanium with graphite powder is investigated using electron probe microanalyzer (EPMA) and high-resolution transmission electron microscope (HRTEM). The growth mechanism of TiC crystals is that crystal grows by the model of continuous growth at the beginning of solidification and then the crystal surfaces that are suited to lateral growth develop fully by the model of spiral growth. So, the final morphology of dendritic TiC looks like it is composed of tiny crystal grains in a linear arrangement.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X05006743

Reference10 articles.

1. Growth morphology and mechanism of MC carbide under quasi-rapid solidification conditions

2. Growth morphologies and mechanism of TiC in the laser surface alloyed coating on the substrate of TiAl intermetallics

3. Crystal growth kinetics

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