ELID Grinding Properties of High-Strength Reaction-Sintered SiC-Reference-Cited by-同舟云学术

ELID Grinding Properties of High-Strength Reaction-Sintered SiC

Published:2005-08 Issue: Volume:291-292 Page:121-126
ISSN:1662-9795
Container-title:Key Engineering Materials
language:
Short-container-title:KEM

Author:

Dai Y.¹,Ohmori Hitoshi²,Lin Wei Min³,Eto H.,Ebizuka N.,Tsuno K.⁴

Affiliation:

1. Wuhan University of Technology

2. RIKEN

3. The Institute of Physical and Chemical Research (RIKEN)

4. NEC TOSHIBA Space Systems Ltd.

Abstract

The high-strength reaction-sintered silicon carbide (RS-SiC) developed by TOSHIBA is one of the most excellent materials for large-scale space-borne optics. The bending strength of the high-strength RS-SiC is two times higher than other SiC ceramics. The purpose of this study is to investigate the ELID grinding properties of the high strength RS-SiC. Two types of metal bond diamond wheels (cup type and straight type) were used to grinding tests. The ground surface properties, such as roughness, subsurface damage and micro-step were made clear by measurement or observation. It was confirmed that, both the surface roughness and the depth of micro-step produced by cup-wheel were lower than those produced by straight-wheel. When a #20000 grit sized cup-wheel was used, a considerably high quality mirror surface (Ra<0.8nm) can be achived.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Link

https://www.scientific.net/KEM.291-292.121.pdf

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