A Novel Hybrid Heating Method for Mechanical Testing of Miniature Specimens at Elevated Temperature
A Novel Hybrid Heating Method for Mechanical Testing of Miniature Specimens at Elevated Temperature
复制标题
一种用于微型样品高温机械测试的新型混合加热方法
DOI:
10.1115/1.4035954
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发表时间:
2017
影响因子:
1
通讯作者:
Hassan, Tasnim
中科院分区:
文献类型:
--
作者:
Li, Lin;Ngaile, Gracious;Hassan, Tasnim
A novel hybrid heating method which combines the conventional electric-resistance specimen heating with microcoil heating of specimen ends to achieve uniform heating over the gauge length is presented. Resistive heating of a miniature specimen develops a parabolic temperature profile with lowest temperature at the grip ends because of the heat loss to the gripper. Coil heating at the specimen ends compensates for this heat loss resulting in uniform temperature distribution over the central segment of the specimen. Thermo-electric finite element simulations were carried out to analyze the transient and steady temperature distribution in miniature specimens followed by experimental validation.
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DOI:
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发表时间:
1998
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