Development of a biaxial tensile testing machine for pulsed neutron experiments

Koji Kiriyama; Shuoyuan Zhang; Hirotoshi Hayashida; Jun-Ichi Suzuki; Toshihiko Kuwabara

doi:10.1016/j.mex.2019.08.015

Development of a biaxial tensile testing machine for pulsed neutron experiments

MethodsX. 2019 Sep 18:6:2166-2175. doi: 10.1016/j.mex.2019.08.015. eCollection 2019.

Authors

Koji Kiriyama¹, Shuoyuan Zhang¹, Hirotoshi Hayashida¹, Jun-Ichi Suzuki¹, Toshihiko Kuwabara²

Affiliations

¹ Comprehensive Research Organization for Science and Society (CROSS), Japan.
² Tokyo University of Agriculture and Technology, Japan.

Abstract

A biaxial tensile testing method has been used to get macroscopic information on elastoplastic deformation of a thin steel specimen and improve the accuracy of plastic processing of steel materials. We newly developed a biaxial tensile testing machine for pulsed neutron experiments (BTM-NEU) to provide the microscopic crystallographic information of steel materials under biaxial load and correlate it with the macroscopic mechanical properties of the materials. The performance of the BTM-NEU was experimentally evaluated with cold-rolled mild steel and hot-rolled high-tensile-strength steel materials and compared with that of a standard biaxial tensile testing machine (BTM-std) as follows. •The BTM-NEU can test an ISO-standardized cruciform specimen as the BTM-std and its performance is equivalent to that of the BTM-std.•The BTM-NEU has excellent long-time reliability and stability necessary for pulsed neutron experiments, especially Bragg-edge neutron imaging experiments.•The BTM-NEU can be applied to pulsed neutron experiments using a Bragg-edge imaging method.

Keywords: A biaxial tensile testing machine for pulsed neutron experiments (BTM-NEU); Biaxial tensile test; Bragg-edge imaging; ISO standard; J-PARC; MLF; Pulsed neutron.