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A high-throughput forging thermal simulation device and method

A high-throughput, heat-insulating device technology, applied in the direction of measurement devices, instruments, and test sample preparation, can solve problems such as low efficiency and inability to meet high-throughput thermal compression simulation requirements

Active Publication Date: 2020-07-17
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The compression heat simulation experiment of the Gleeble testing machine can replace the ordinary forging upsetting heat simulation experiment, so as to obtain basic data such as stress and strain of the material, but the Gleeble testing machine can only do one compression heat simulation experiment at a time, and the efficiency is low, which cannot meet the requirements of Qualcomm. Calorimetric Compression Simulation Requirements

Method used

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  • A high-throughput forging thermal simulation device and method
  • A high-throughput forging thermal simulation device and method
  • A high-throughput forging thermal simulation device and method

Examples

Experimental program
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Embodiment 1

[0051] In this embodiment, 45 steel is taken as an example to illustrate the high-throughput forging thermal simulation method. The concrete steps of this embodiment are as follows:

[0052] A1, fix the forging upper die on the slider of the hydraulic press, and fix the forging chamber on the hydraulic press workbench, so that the forging upper die can move up and down under the guidance of the travel guide rod.

[0053] B2, put 64 pieces of the same component into The samples are placed on the stepped sample stage in an 8×8 arrangement. The target heating temperatures are 750°C, 800°C, 850°C, 900°C, 950°C, 1000°C, 1050°C, and 1100°C. The soaking time is the same. It is 1min.

[0054] C3, turn on the heating power supply, heat to the target temperature, soak for 1 min, and cut off the heating power supply.

[0055] D4. Position the forging upper die and the forging chamber so that the lower surface of the forging upper die is 50mm away from the nearest sample, set the maxi...

Embodiment 2

[0061] In this example, 5CrNiMo die steel with different Ce content is taken as an example to illustrate the high-throughput forging thermal simulation method. The concrete steps of this embodiment are as follows:

[0062] A1, fix the forging upper die on the slider of the hydraulic press, and fix the forging chamber on the hydraulic press workbench, so that the forging upper die can move up and down under the guidance of the travel guide rod.

[0063] B2, prepare 64 pieces of size The 5CrNiMo die steel samples were divided into 8 groups, and the Ce content of each group of samples was different, and the mass fractions were 0.00%, 0.05%, 0.10%, 0.15%, 0.20%, 0.25%, 0.30%, and 0.35%. The 64 samples are arranged in 8×8 on the stepped sample stage of the forging room, and the composition of each row of samples is the same.

[0064] C3, set the forging temperature of the sample to 1000°C, turn on the power, and heat the independent temperature control system of each sample to t...

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Abstract

A high-throughput forging thermal simulation device and method belong to the field of material research and development and processing. Including hydraulic press, forging upper die, forging chamber, travel guide rod, integral heat insulation device, stepped sample stage, resistance heating and temperature control system, airflow cooling and control system, pressure sensor, displacement sensor and pressure displacement data acquisition and processing system . Samples with different compositions and the same size are placed on the stepped sample stage, the target heating temperature of each sample is controlled by resistance heating and temperature control system, and the forging thermal simulation experiment is carried out according to the preset pressing stroke and stroke speed. The stress-strain curve of each sample is obtained through the pressure-displacement data acquisition and processing system, and the samples are tested to characterize the influence of different forging process parameters on the material structure and performance with high throughput, providing a large amount of basic data for material forging simulation, and verifying material forging Based on the simulation results, the optimal sample and its optimal forging process parameters can be quickly screened to shorten the material development cycle and reduce the development cost.

Description

technical field [0001] The invention belongs to the field of material research and development and processing, and in particular relates to a high-throughput forging thermal simulation device and method. [0002] technical background [0003] Advanced materials are at the core of scientific and technological innovation, economic and social development and enhancing global competitiveness. At present, the development of advanced materials is committed to pursuing an efficient and low-cost research method, among which materials genetic engineering provides a collaborative innovation research and development concept that integrates material calculation simulation, high-throughput preparation and characterization, and materials informatics / database. At present, due to the limitations of computing power, theoretical models and basic data, the accuracy of most calculation results is far from reaching the level of experimental results, and it is difficult to meet practical requireme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/44G01N1/32G01D21/02
CPCG01D21/02G01N1/32G01N1/44
Inventor 王开坤胡志强
Owner UNIV OF SCI & TECH BEIJING
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