The Ncs Testing Technology Co., Ltd.

Central Iron & Steel Research Institute Co., Ltd

Zongxin Liu

Lei Zhao

Haizhou Wang

Xuejing Shen

Dongling Li

Yang Wang

Yunhai Jia

Lixia Yang

Lizhi Ren

Danqi Huang

Changwang Zhu

Wenyi Cai

Mingbo Liu

Ya Peng

A method for quantitatively characterizing a dendrite segregation and dendrite spacing of a high-temperature alloy ingot is disclosed. The method includes preparation and surface treatment of the high-temperature alloy ingot, selection of calibration sample and determination of an element content, establishment of quantitative method for elements in micro-beam X-ray fluorescence spectrometer, quantitative distribution analysis of element components of the high-temperature alloy, quantitative characterization of characteristic element line distribution of high-temperature alloy, and analysis of a characteristic element line distribution map and statistics of a secondary dendrite spacing.

Method for quantitatively characterizing dendrite segregation and dendrite spacing of high-temperature alloy ingot

A component residual stress testing platform based on neutron diffraction and experimental method thereof are provided, the testing platform includes a component support, a rotating mainshaft, a first thrust cylindrical roller bearing, a first cylindrical roller bearing, a bearing spacing sleeve, a second cylindrical roller bearing, a sleeve, and a first fixed baffle. The rotating mainshaft is disposed on the component support. The first thrust cylindrical roller bearing, the first cylindrical roller bearing, the bearing spacing sleeve and the second cylindrical roller bearing are sleeved on the rotating mainshaft, the sleeve is sleeved outside the first cylindrical roller bearing, the bearing spacing sleeve and the second cylindrical roller bearing, a component to be tested is sleeved on the sleeve. The testing platform can support, move, tilt and rotate the component to be tested in a process of a residual stress testing.

Component residual stress testing platform based on neutron diffraction and experimental method thereof

Growing community of inventors

BEIJING, China

Zongxin Liu