East China University of Science and Technology

Shanghai Jiaotong University

Aecc Commercial Aircraft Engine Co., Ltd.

Aecc Hunan Aviation Powerplant Research Institute

China United Gas Turbine Technology Co., Ltd

Junmiao Shi

Xiancheng Zhang

Shantung Tu

Shuang Liu

Ning Wang

Lin Zhu

Xiaobo Wang

Kaiming Zhang

Fei Zeng

Shulei Yao

Jianping Tan

Xiaofeng Zhao

Congyang Gong

Yunfei Jia

Yali Yu

Jiawei Wang

Weize Wang

Liqiang Liu

Dingwu Zhang

Lizhang Zhang

Yalong Chen

Yuxin Chi

Runzi Wang

Huayi Cheng

Zhaoxing Sun

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

Ultrahigh-temperature wind tunnel erosion testing system

A double-sided ultrasonic rolling cooperative strengthening system and a control method thereof are provided. The system includes a first mechanical arm subsystem, a second mechanical arm subsystem, a first ultrasonic rolling strengthening subsystem, a second ultrasonic rolling strengthening subsystem and a servo turntable (); the servo turntable () is configured to fix a blade to be processed; the first ultrasonic rolling strengthening subsystem is provided at an end of the first mechanical arm subsystem; and the second ultrasonic rolling strengthening subsystem is provided at an end of the second mechanical arm subsystem. The way that the mechanical arm is equipped with an ultrasonic rolling strengthening device improves a degree of freedom of processing the blade, and the first mechanical arm subsystem, the second mechanical arm subsystem, the first ultrasonic rolling strengthening subsystem, the second ultrasonic rolling strengthening subsystem and the servo turntable () are provided to cooperate to realize double-sided processing.

Double-sided ultrasonic rolling cooperative strengthening system and control method thereof

Provided are a thermal barrier coating and a preparation method thereof, which belong to the field of coating technology. The thermal barrier coating has a double-layer coating structure, and includes an intermediate layer attached to a surface of a metal bonding layer, and a top layer, wherein the intermediate layer is formed by atmospheric plasma spraying YSZ porous microspheres, and the top layer is formed by atmospheric plasma spraying Yb—Gd codoped YSZ porous microspheres; the intermediate layer is in contact with the surface of the metal bonding layer, and the top layer is directly exposed to a high-temperature gas environment.

Thermal barrier coating and preparation method thereof

A water jet strengthening and polishing integrated system for blades of a blisk includes a vibration polishing unit and a water jet strengthening unit. The vibration polishing unit includes a vibration polishing bath, the vibration polishing bath is internally provided with a clamp for clamping the blisk, and vibration motors for driving the vibration polishing bath to vibrate are installed on the vibration polishing bath. Top ends of support springs are fixedly connected with the vibration polishing bath, and bottom ends of the support springs are fixedly connected with a workbench. The water jet strengthening unit includes a water jet strengthening device for carrying out water jet strengthening on the blades of the blisk and a driving mechanism for clamping the water jet strengthening device and capable of driving the water jet strengthening device to move in any direction in space.

Water jet strengthening and polishing integrated system and method for blades of blisk

Growing community of inventors

Shanghai, China

Junmiao Shi