High-flux indentation creep testing device for gradient material
A gradient material and testing device technology, which is used in measuring devices, analyzing materials, and testing the strength of materials by applying stable tension/pressure to achieve rapid screening, high-efficiency high-throughput creep testing, and high-throughput effects.
Active Publication Date: 2020-01-24
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 in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, 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 may 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 used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity o...
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The invention provides a high-flux indentation creep testing device for a gradient material, which comprises a heating device for heating a gradient sample, a pressure loading device for loading pressure on the gradient sample, a plurality of pressure heads for contacting the surface of the gradient sample and applying pressure load of the pressure loading device to the gradient sample, and an inductor for inducing axial displacement change of each piston rod, wherein the pressure loading device comprises a plurality of cylinder barrels arranged in parallel and at intervals, the piston rods with top ends inserted into the cylinder barrels in a sliding manner, and constant-pressure applying devices for pushing the piston rods to vertically move downwards, and the pressure heads are respectively arranged at the bottom ends of the piston rods. Through adoption of the high-flux indentation creep testing device of the invention, in a creep test process, creep performance of the gradient sample at each position can be contrastively analyzed by using time and displacement records only through sensing and recording the descending displacement of each piston rod by the inductor, and a creeptest for the gradient material can be accurately and efficiently performed.
Description
technical field [0001] The invention belongs to the technical field of material testing equipment, and more specifically relates to a high-throughput indentation creep testing device for gradient materials. Background technique [0002] The gradient material is a heterogeneous material whose function gradually changes according to the change of composition and structure. It has good thermal stress resistance and mechanical strength, and has gradually been applied in the field of aerospace. At present, in the research and development process of new high-temperature and creep-resistant alloy materials, the high-throughput idea of material genetic engineering is often introduced to prepare gradient materials with good high-temperature and creep-resistant properties. Because the gradient material usually includes element composition gradient, content gradient or tissue gradient, the gradient material presents 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