Experimental Investigation on Ground Surface Morphology of Particulate Reinforced Titanium Matrix Composites

Qing Miao; Wen Feng Ding; Jiu Hua Xu; Biao Zhao; Jian He

doi:10.4028/www.scientific.net/AMR.765-767.3196

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 765-767Experimental Investigation on Ground Surface...

Experimental Investigation on Ground Surface Morphology of Particulate Reinforced Titanium Matrix Composites

Abstract:

Particulate reinforced titanium matrix composites (PTMCs) are attracting increasingly attention in various engineering applications. In this paper, comparative grinding experiments of PTMCs were carried out using WA abrasive wheel and CBN abrasive wheel. The morphology of the ground surface was observed by scanning electron microscope. The main results are summarized as follows: (1) The damage of reinforcements in the PTMCs results from the plowing and shearing during grinding in the form of crater, micron gap, broken, coating and micron crack. (2) The formation of grinding chip is a function of the collaborate removal of reinforcements and matrix material. (3) The surface fracture pattern of PTMCs using WA wheel is to form the grinding chip through severe extrusion. While using CBN wheel, the abrasion due to the formation of the wear debris is the main surface fracture pattern of PTMCs.

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Periodical:

Advanced Materials Research (Volumes 765-767)

Pages:

3196-3199

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.765-767.3196

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Online since:

September 2013

Authors:

Qing Miao, Wen Feng Ding, Jiu Hua Xu, Biao Zhao, Jian He

Keywords:

CBN Wheel, Fracture Pattern, Ground Surface Morphology, PTMCs, WA Wheel

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