Jilin University

Shunbo Wang

Hongwei Zhao

Luquan Ren

Yang Liu

Daining Fang

Yongmao Pei

Shizhong Zhang

Meng Zhang

Jiru Wang

Wenyang Wang

Peng Liu

Ning Li

Jianhai Zhang

Shuilong Zhou

Zhaoxin Wang

Xiaohang Dai

Xiangyu Zong

Honglong Li

Zhanwei Huo

Cong Li

The present disclosure relates to a traceable in-situ micro- and nano-indentation testing instrument and method under variable temperature conditions. A macro-micro switchable mechanical loading module, a nano mechanical loading module and an indentation position optical positioning module are fixed on a gantry beam, an optical imaging axis of an optical microscopic in-situ observation or alignment module and a loading axis of the nano mechanical loading module are coplanar, the optical microscopic in-situ observation or alignment module and the function switchable module are mounted on a table top of a marble pedestal, and a contact or ambient mixed variable temperature module is fixedly mounted on the function switchable module. A modular design is adopted, the micro- and nano-indentation testing instrument is used as a core, in combination with a multi-stage vacuum or ambient chamber, an indentation depth traceability calibration module and multiple sets of optical microscopic imaging assemblies.

Traceable in-situ micro- and nano-indentation testing instrument and method under variable temperature conditions

Provided are a material in-situ test device and method under multi-load and multi-physical field coupled service conditions. The device is composed of a precise six-degree-of-freedom composite load applying module, a precise torsion module, a precise indentation module, a clamp module and a control module which work together to complete a composite-load and multi-physical field coupled experiment, and is integrated with a digital speckle strain measurement and infrared thermal imaging module and a microscope observation module, so as to carry out in-situ observation and quantitative characterization on material deformation behaviors and damage mechanism phenomena in a composite-load and multi-physical field loading process. For example, loading methods of 'cantilever type pure bending, cantilever type tension/compression-torsion, and cantilever type bending-torsion', etc. can realize the loading of composite load. Silicon nitride ceramic heating sheets, Peltier tiles and current loading are used for achieving simulation of multiple physical fields such as cold/hot-electricity fields.

Material in-situ detection device and method under multi-load and multi-physical field coupled service conditions

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Jilin, China

Shunbo Wang