Journal
MATERIALS LETTERS
Volume 158, Issue -, Pages 140-142Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.05.161
Keywords
Ceramics; Chemical vapor deposition; Zinc sulfide; Direct uniaxial tensile strength; High temperature
Funding
- Chongqing Graduate Student Research Innovation Project [CYB14030]
- National Natural Science Foundation of China [11102003, 11227801, 91216301, 11172336, 11472066]
- Program for New Century Excellent Talents in University [ncet-13-0634]
- Chongqing Natural Science Foundation [cstc2013jcyjA50018]
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A simple, effective and economic apparatus for the direct uniaxial tensile strength of brittle materials is developed based on the traditional fixture for tension at high temperatures. The direct uniaxial tensile strength of chemical vapor deposited (CVD) zinc sulfide (ZnS) is then measured from room temperature (RT) to 600 degrees C. The study shows that the direct uniaxial tensile strength of CVD ZnS is 51.5% of the three-point bending strength at RT and increases with temperature. This temperature behavior of the tensile strength is related to the fractured surface roughness change with temperature. To the best of the authors' knowledge, this is the first report on the direct tensile strength of ZnS. (C) 2015 Elsevier B.V. All rights reserved.
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