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High-precision instrumented indenter system

An instrumented press-in, high-precision technology, used in instruments, testing material hardness, analyzing materials, etc., to avoid thermal drift

Inactive Publication Date: 2016-04-27
SHAANXI QIYUAN TECH DEV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] In order to solve the problem of accurate measurement of the indenter head of the above-mentioned instrumented indenter, the present invention designs a high-precision instrumented indenter measurement system

Method used

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Embodiment Construction

[0014] The high-precision instrumented indenter system is characterized in that it includes a driving device and a load measuring system, a displacement measuring system, a computer control system, an automatic data processing system, an indenter assembly and a frame; the frame is provided with a drive device, the driving device is connected to an automatic data processing system through a computer control system; the driving device is connected to a load measuring system, and the load measuring system is connected to the indenter assembly through a displacement measuring system; the indenter assembly includes a pressing rod, Diamond indenter, displacement sensor clamping device and depth measurement follower plate; the displacement sensor clamping device is fixed with a depth measurement follower plate, and a pressure rod is arranged in the middle of the depth measurement follower plate; the pressure rod is far away from the displacement measurement One end of the system is pr...

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Abstract

The invention relates to the field of high-precision apparatuses and concretely relates to a high-precision instrumented indenter system. The system comprises a driving device, a load measurement system, a displacement measurement system, a computer control system, a data automatic processing system, an indenter assembly and a frame. The frame is provided with the driving device. The driving device is connected to the data automatic processing system through the computer control system. The driving device is connected to the load measurement system. The load measurement system is connected to the indenter assembly through the displacement measurement system. The driving device and the load measurement system are separated so that the test load on the indenter can be measured accurately and it is avoided that an integrated design of the driving and load measurement causes thermal drift of load basic data measurement. The high-precision instrumented indenter system solves the problem that the existing sample reference-type indenter cannot accurately detect indenter pressing depth displacement because of small-angle inclination of a sample surface in pressing.

Description

technical field [0001] The invention relates to the field of high-precision instruments, in particular to a high-precision instrumentation indenter system. Background technique [0002] With the rapid development of surface modification materials, thin film / coating materials, composite materials, nanomaterials and other fields, instrumented pressing technology has been more and more popular because of its unique role in the field of surface material science and engineering research. people's attention. This technology continuously and synchronously tests and records the load-displacement relationship of a diamond indenter with a specific geometry in the process of indenting and evacuating the sample, providing much more valuable information than traditional hardness tests that can reflect the mechanical properties of the tested material. By building a fine mechanical model and with the help of large-scale finite element numerical analysis software, many basic mechanical per...

Claims

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Application Information

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IPC IPC(8): G01N3/42G01N35/00
Inventor 张淑芬
Owner SHAANXI QIYUAN TECH DEV
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