公开(公告)号：US20210333182A1

公开(公告)日：2021-10-28

申请号：US17235945

申请日：2021-04-21

Applicant: SHIMADZU CORPORATION

Inventor： Takuro SATO ,  Tomotaka NAGASHIMA ,  Yukimitsu IWANAGA

IPC: G01N3/06 ,  G01N3/08

Abstract: Provided is a material testing machine that deforms a test piece and measures mechanical properties of a material of the test piece. The material testing machine includes: a first detection unit that detects a strain of the test piece by measuring a distance between reference points of the test piece; a second detection unit that detects a strain distribution of the test piece based on an image of a pattern formed on a surface of the test piece; and a display control unit that displays a detection result of the first detection unit and a detection result of the second detection unit on one screen.

公开(公告)号：US20210364276A1

公开(公告)日：2021-11-25

申请号：US17325212

申请日：2021-05-20

Applicant: SHIMADZU CORPORATION

Inventor： Tomotaka NAGASHIMA ,  Yukimitsu IWANAGA ,  Norio HIRAYAMA

IPC: G01B11/16

Abstract: A strain distribution measurement system includes a tensile tester that deforms a test piece to measure mechanical properties of a material of the test piece, and a strain distribution measuring device that measures a strain distribution of the test piece. The strain distribution measuring device measures the strain distribution of the test piece based on a distribution of at least one of a reflectance or a polarization characteristic on the main face of the test piece.