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Hard-surface welding alloy containing multi-component

An alloy and multi-component technology, applied in the field of multi-component hardfacing alloys, can solve the problems of poor bonding between the welding coating and the base material, poor welding quality, etc., and achieve the effect of low operating temperature and good physical strength resistance

Active Publication Date: 2007-07-04
IND TECH RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] The technical problem to be solved by the present invention is to provide a multi-component hardfacing alloy to solve the problems of poor welding quality and poor bonding between the welding coating and the base material disclosed in the prior art

Method used

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  • Hard-surface welding alloy containing multi-component
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experiment example 1

[0049] The formula composition atom of Experimental Example 1 and percentage by weight thereof are iron (Fe) 28-29%, manganese (Mn) 18-19%, nickel (Ni) 30-31%, chromium (Cr) 17-18%, aluminum ( Al) 4-5%, after the hardfacing treatment of one to four layers is done on the surface of the test piece with the multicomponent hardfacing alloy of the present invention, then measure its surface hardness and compare, to prove the hardfacing effect it reaches, From the experimental data, it is observed that the hardness increases to 31HRC (Rockwell hardness) after the first layer of hardface welding, the hardness increases to 32HRC after the second layer of hardface welding, and the hardness increases to 32HRC after the third layer of hardface welding. 42HRC, the hardness maintains 42HRC after the fourth layer of hardface welding. In the same concept, the formulation of the multi-component hardfacing alloy of the present invention can also be slightly modified to achieve a similar hardfa...

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Abstract

The invention relates to a multiple element hard surface welding alloy, The components and their atom proportion are as follows: iron a%, 5%<= a%<= 35%, nickel b%, 5%<= b%<= 35%, chromium c%, 5%<= c%<= 35% manganese d%, 5%<= d%<= 35%; and a%+ b%+ c%+ d% <= 100%. The proportion of each element in alloy is less than 35%. The invention employs concept of multiple element to allocate the components in the alloy to reach maximum utility. The welding material is characterized by low operation temperature, good physical strength resistance, acid and base resistance, oxidation resistance and packing interface.

Description

technical field [0001] The invention relates to a metal material, in particular to a multi-component hardfacing alloy. Background technique [0002] With the advancement of research and development of metal materials, metal materials have the characteristics of high strength, high toughness, high processability, and low price. Therefore, metal materials are widely used, whether it is machinery manufacturing, mold processing, construction industry, shipbuilding industry, automobile industry, etc. , its use is very large, so the global demand for metal materials continues to increase, and it has become the most widely used structural material. However, due to the increased cleanliness and reduced roughness of the surface of the current metal materials, better welding efficiency is required for the joint between the metal materials. [0003] Most of the failure modes of mechanical equipment are not caused by fracture damage, but are caused by the indirect and wear of individua...

Claims

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Application Information

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IPC IPC(8): C22C30/00B23K31/12B23K35/22
Inventor 杜经邦陈立基王伟仁陈泓政赖竣晖陈兴华叶均蔚
Owner IND TECH RES INST