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Effect of temperature-dependent surface heat transfer coefficient on the maximum surface stress in ceramics during quenching
Shao YF(邵颖峰); Song F(宋凡); Jiang CP; Xu XH(许向红); Wei JC; Zhou ZL; Song, F (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100080, Peoples R China.
Source PublicationPHILOSOPHICAL MAGAZINE
2016
Volume96Issue:4Pages:387-398
ISSN1478-6435
AbstractWe study the difference in the maximum stress on a cylinder surface sigma(max) using the measured surface heat transfer coefficient h(m) instead of its average value h(a) during quenching. In the quenching temperatures of 200, 300, 400, 500, 600 and 800 degrees C, the maximum surface stress sigma(mmax) calculated by h(m) is always smaller than sigma(amax) calculated by h(a), except in the case of 800 degrees C; while the time to reach sigma(max) calculated by h(m) (f(mmax)) is always earlier than that by h(a) (f(amax)). It is inconsistent with the traditional view that sigma(max) increases with increasing Biot number and the time to reach sigma(max) decreases with increasing Biot number. Other temperature-dependent properties also have a small effect on the trendof their mutualratios with quenching temperatures. Such a difference between the two maximum surface stresses is caused by the dramatic variation of h(m) with temperature, which needs to be considered in engineering analysis.
KeywordCeramics Stress Analysis Thermal Shock Thermomechanical
DOI10.1080/14786435.2015.1134836
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000370650900005
WOS Keywordceramics ; stress analysis ; thermal shock ; Thermomechanical
WOS Research AreaMaterials Science ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Mechanics ; Metallurgy & Metallurgical Engineering ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationThis work is supported by the National Natural Science Foundation of China [grant number 11102208], [grant number 11232013], [grant number 11472285] and [grant number 11572326].
DepartmentLNM生物材料微结构和力学性能
Classification二类
RankingTrue
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59565
Collection非线性力学国家重点实验室
Corresponding AuthorSong, F (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Shao YF,Song F,Jiang CP,et al. Effect of temperature-dependent surface heat transfer coefficient on the maximum surface stress in ceramics during quenching[J]. PHILOSOPHICAL MAGAZINE,2016,96(4):387-398.
APA 邵颖峰.,宋凡.,Jiang CP.,许向红.,Wei JC.,...&Song, F .(2016).Effect of temperature-dependent surface heat transfer coefficient on the maximum surface stress in ceramics during quenching.PHILOSOPHICAL MAGAZINE,96(4),387-398.
MLA 邵颖峰,et al."Effect of temperature-dependent surface heat transfer coefficient on the maximum surface stress in ceramics during quenching".PHILOSOPHICAL MAGAZINE 96.4(2016):387-398.
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