公开(公告)号：US20240295477A1

公开(公告)日：2024-09-05

申请号：US18574682

申请日：2023-03-29

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Xiancheng ZHANG ,  Shantung TU ,  Liqiang LIU ,  Jianping TAN ,  Binhan SUN ,  Junmiao SHI ,  Runzi WANG ,  Ji WANG

IPC: G01N3/08

CPC classification number: G01N3/08 ,  G01N2203/0069 ,  G01N2203/0228

Abstract: A system for testing fatigue performance of material in low-temperature liquid hydrogen environment, which relates to the technical field of mechanical property test platforms, includes a jacket cover. A hydrogen sensor is provided at the top of and within the jacket cover; a rack, a liquid hydrogen tank and a liquid nitrogen tank are provided in the jacket cover; a loading mechanism and a liquid hydrogen containing mechanism are provided on the rack, the loading mechanism is connected to the rack, and the bottom of the loading mechanism extends into the liquid hydrogen containing mechanism; the liquid hydrogen tank and the liquid nitrogen tank both communicate with the liquid hydrogen containing mechanism; and the loading mechanism is configured for providing tension or pressure to a sample. The liquid hydrogen containing mechanism is provided with a cooling channel located around a sealing gasket, the cooling channel communicates with a thermostat.

公开(公告)号：US20230314273A1

公开(公告)日：2023-10-05

申请号：US18021173

申请日：2022-08-04

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Xiancheng ZHANG ,  Liqiang LIU ,  Jianping TAN ,  Runzi WANG ,  Shantung TU ,  Junmiao SHI

IPC: G01M9/04 ,  G01N3/56

CPC classification number: G01M9/04 ,  G01N3/56

Abstract: An ultrahigh-temperature wind tunnel erosion testing system is provided, including a fuel system (1), an erosion system (2), an erosion spray gun (3), a test piece fixture (5) and a testing device; the erosion spray gun (3) is connected with the fuel system (1) and the erosion system (2) respectively; the erosion spray gun (3) is arranged on a lifting and rotating mechanism (4); the test piece fixture (5) is arranged on one side of the lifting and rotating mechanism (4) and is opposite to a nozzle of the erosion spray gun (3); and the testing device is connected with the test piece fixture (5). The plurality of groups of test pieces are circlewise arranged around the lifting and rotating mechanism (4).