High-throughput indentation creep test device for gradient materials
A gradient material and testing device technology, which is applied in the direction of measuring devices, analyzing materials, and using stable tension/pressure to test the strength of materials, etc., to achieve high-throughput, high-efficiency and high-throughput creep testing and rapid screening.
Active Publication Date: 2022-06-28
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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[0003] The purpose of the present invention is to provide a high-throughput indentation creep test device for gradient materials, which aims to solve the problem that the high-throughput creep test of gradient materials cannot be accurately and efficiently performed in the prior art
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[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0029] It should be noted that when an element is referred to as being "connected to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0030] In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicat...
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The invention provides a high-throughput indentation creep test device for gradient materials, which includes a heating device for heating the gradient sample, a pressure loading device for applying pressure to the gradient sample, and a device for contacting the surface of the gradient sample. Contact and apply the pressure load of the pressure loading device to multiple indenters of the gradient sample and sensors for sensing the axial displacement changes of each piston rod. The pressure loading device includes multiple parallel and spaced cylinders, top sliding Piston rods inserted in each cylinder and a constant pressure applying device that pushes each piston rod to move vertically downward, and a plurality of pressure heads are respectively arranged at the bottom end of each piston rod. During the creep test process of the gradient material high-throughput indentation creep test device provided by the present invention, it only needs to sense and record the descending displacement of each piston rod through the sensor, and the gradient test can be compared and analyzed by using the records of time and displacement. The creep performance of each position can be sampled, and the creep test of gradient materials can be carried out accurately and efficiently.
Description
technical field [0001] The invention belongs to the technical field of material testing equipment, and more particularly relates to a high-flux indentation creep testing device for gradient materials. Background technique [0002] Gradient materials as a whole are heterogeneous materials whose functions are gradually changed according to the changes of composition and structure. They have good thermal stress strength and mechanical strength, and are gradually applied in the aerospace field. At present, in the process of research and development of new high-temperature and creep-resistant alloy materials, high-throughput ideas of material genetic engineering are often introduced to prepare gradient materials with good high-temperature resistance and creep resistance. Since gradient materials usually contain elemental composition gradients, content gradients or tissue gradients, the gradient materials present a gradient distribution of tissue or composition in one or some dire...
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IPC IPC(8): G01N3/12G01N3/02G01N3/06
CPCG01N3/12G01N3/02G01N3/068G01N2203/0003G01N2203/0019G01N2203/0044G01N2203/0071G01N2203/0641
Inventor 徐振朱强郭川李鑫胡小刚郁峥嵘
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA