Preparation and determination method of sample for compression of metal material with high thermal conductivity

A metal material, high thermal conductivity technology, used in the preparation of test samples, the use of stable tension/pressure to test the strength of materials, etc. Problems such as working anvil, heat input energy dissipation too fast, etc., to achieve the effect of convenient process simulation test, simple and easy operation process, and avoid burning loss

CN104155166AActive Publication Date: 2014-11-19SHANXI TAIGANG STAINLESS STEEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2014-11-19

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Abstract

The invention relates to a preparation and determination method of a sample for compression of a metal material with high thermal conductivity. The preparation method comprises the following steps of I, preparing a metal cylinder by a sample of the metal material with high thermal conductivity, the metal cylinder having a diameter of [Phi]8 mm-[Phi]10 mm and a length of 10 mm-15 mm, and punching a point at an axial middle point position of the metal cylinder as a marker; II, drilling a blind hole with a diameter of [Phi]1.6 mm-[Phi]2.0 mm and a depth of 1.8 mm-2.2 mm; III, preparing a plug pin by selecting a wire made of a material the same metal cylinder or copper; and IV, putting a negative electrode end of an K-type thermocouple and a positive electrode end of the K-type thermocouple at two sides in the blind hole, and plugging the blind hole with the plug pin. The determination method comprises a step of measuring the sample on a thermodynamic simulation test machine to obtain a stress-strain curve of copper alloy. The preparation and determination method of the sample are simple and practicable; and flow stress test data results are accurate and stable.
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Description

technical field

[0001] The invention relates to a sample preparation and measurement method for compression of a metal material with high thermal conductivity. Background technique

[0002] The thermodynamic simulation testing machine can simulate the thermal deformation process of metal materials at high temperature, involving basic research work and production process simulation of high temperature mechanical performance parameters, thermoplasticity, microstructure and phase transition behavior during deformation, and can be used for metal materials in Static recrystallization and dynamic recrystallization, deformation resistance, etc. during high temperature deformation are studied to provide theoretical and experimental basis for thermal processing of metal materials.

[0003] Usually, the high-temperature flow stress test of steel materials is carried out on the Gleeble series thermodynamic simulation testing machine, and the thermocouple is welded on the surface of the...

Examples

Embodiment Construction

[0073] The specific implementation of the present invention will be described in detail below in conjunction with the examples and accompanying drawings, but the specific implementation of the present invention is not limited to the following examples.

[0074] Sample Example

[0075] This embodiment is a sample preparation method for compressing a high thermal conductivity metal material on a thermodynamic simulation testing machine, which is directly applied to a thermodynamic simulation testing machine Gleeble 3800 general-purpose unit for a flow stress simulation test. The material selected in this embodiment is copper alloy H65, and the size of the metal cylinder for manufacturing the sample is Ф8mm×12mm.

[0076] Concretely include the following sequential steps:

[0077] Ⅰ Put the direction of the axis of the metal cylinder 1 flat, so that the metal cylinder 1 is axially clamped on the vise, and the direction of the metal cylinder 1 is stable in the direction of t...