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A kind of alloy material for manufacturing X-ray security inspection machine shell and its preparation method

A technology of alloy materials and security inspection machines, which is applied in the field of alloy materials, can solve problems such as injuries to surrounding personnel, and achieve high safety, improved strength and hardness, and high reliability.

Active Publication Date: 2018-07-24
东营圣东石化科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] If the internal radiation of the X-ray security inspection machine leaks, it will cause harm to the surrounding personnel. It is necessary to use a material that blocks the radiation to manufacture the machine shell. Currently, the materials used to manufacture the X-ray security inspection machine shell have a better function of blocking internal radiation, but the strength of the material And anti-wear performance needs to be improved to further prolong the service life of the material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1. Material preparation

[0016] Take 55 catties of lead, 10 catties of magnesium, 2 catties of aluminum, 1 catties of chromium, 0.5 catties of palladium, 0.3 catties of nickel, and 0.1 catties of tungsten; mix and melt magnesium, aluminum, and chromium, and stir for 3 minutes at a speed of 80 rpm. After standing for 1 minute, add palladium, nickel and tungsten and continue stirring for 2 minutes; add lead, stir at a speed of 130 rpm for 10 minutes, and let stand for 1 minute; use bottom pouring method for pouring; Pressure treatment; the alloy material is made into a test sample for later use.

[0017] 2. Performance test

[0018] Tensile strength test: The tensile strength of the alloy material is 347MPa, which is 12-15 times that of ordinary lead alloys.

[0019] Brinell hardness test: The Brinell hardness of the alloy material is 183HB, which is 11-13 times that of ordinary lead alloys.

Embodiment 2

[0021] 1. Material preparation

[0022] Take 65 catties of lead, 13 catties of magnesium, 4 kg of aluminum, 4 catties of chromium, 1 catties of palladium, 0.6 catties of nickel, and 0.5 catties of tungsten; mix and melt magnesium, aluminum, and chromium, and stir for 5 minutes at a speed of 100 rpm. After standing for 2 minutes, add palladium, nickel and tungsten and continue to stir for 3 minutes; add lead, stir at a speed of 150 rpm for 12 minutes, and let stand for 1.5 minutes; Pressure treatment; the alloy material is made into a test sample for later use.

[0023] 2. Performance test

[0024] Tensile strength test: The tensile strength of the alloy material is 339MPa, which is 12-15 times that of ordinary lead alloys.

[0025] Brinell hardness test: The Brinell hardness of the alloy material is 189HB, which is 11-13 times that of ordinary lead alloys.

Embodiment 3

[0027] 1. Material preparation

[0028] Take 60 jin of lead, 12 jin of magnesium, 3 jin of aluminum, 2 jin of chromium, 0.7 jin of palladium, 0.4 jin of nickel, and 0.3 jin of tungsten; mix and melt magnesium, aluminum, and chromium, and stir for 4 minutes at a speed of 90 rpm. After standing still for 1.5 minutes, add palladium, nickel and tungsten and continue stirring for 2.5 minutes; add lead, stir at a speed of 140 rpm for 11 minutes, and let stand for 1.3 minutes; Pressure treatment; the alloy material is made into a test sample for later use.

[0029] 2. Performance test

[0030] Tensile strength test: The tensile strength of the alloy material is 341MPa, which is 12-15 times that of ordinary lead alloys.

[0031] Brinell hardness test: The Brinell hardness of the alloy material is 179HB, which is 11-13 times that of ordinary lead alloys.

[0032] The design ideas of the present invention are described above with only three implementation modes. If the system allows,...

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Abstract

The invention discloses an alloy material used for manufacturing an X-ray security inspection machine shell and a preparing method of the alloy material. The alloy material comprises, by weight, 55 parts to 65 parts of lead, 10 parts to 13 parts of magnesium, 2 parts to 4 parts of aluminum, 1 part to 4 parts of chromium, 0.5 part to 1.0 part of palladium, 0.3 part to 0.6 part of nickel and 0.1 part to 0.5 part of tungsten. The alloy material uses intersolubility between metal for obtaining an alloy structure with the uniform distribution, the strength and the hardness of the alloy are improved, tensile strength and hardness indexes of the alloy material are greatly higher than those of common lead and an alloy of the common lead, and meanwhile, the wear resistance is improved accordingly; use of the alloy material has the high stability, high reliability and high safety; and when the X-ray security inspection machine shell made of the alloy material is used, under the condition that the good ray blocking capacity is ensured, the shell is firmer and more resistant to impact, in the security inspection process of the shell, the surface cannot be scratched even if the surface is repeatedly rubbed, and the appearance is more attractive.

Description

technical field [0001] The invention relates to the field of alloy materials, more precisely, an alloy material used for manufacturing an X-ray security inspection machine casing and a preparation method thereof. Background technique [0002] The X-ray security inspection machine adopts X-ray scanning imaging technology. By scanning the items and outputting images for the inspectors to judge whether contraband is entrained, it has a clear imaging effect. With the help of multiple image processing functions, it can easily and quickly assist in the inspection. Personnel distinguish different substances. During the scanning and imaging process, the system provides two ways of automatic image storage and self-storage by the inspector according to the work needs. If it is necessary to re-examine the images, the inspectors can play back the past images at any time. The size of the channel is different, which meets the inspection needs of items of different volumes. [0003] If ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C11/02C22C1/02
CPCC22C1/02C22C11/02
Inventor 季建国
Owner 东营圣东石化科技有限责任公司
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