Automobile sheet metal piece welding material and welding technology

A technology for automobile sheet metal parts and welding materials, applied in welding/cutting media/materials, welding media, welding equipment, etc., can solve the problems of insufficient welding strength and corrosion resistance, and achieve good corrosion resistance, high strength, Evenly distributed and dense effect

Inactive Publication Date: 2018-10-09
CHANGSHA XIAORU INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a welding material and welding process for automobile sheet metal parts, to solve the problem of how to solve the problem of welding materials based on the welding material disclosed in the patent application document "Rare Earth

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0031] Example 1

[0032] A welding material for automobile sheet metal parts, in parts by weight, comprising the following raw materials: 72.5 parts of tin, 22.5 parts of zinc, 1.5 parts of neodymium, 1.75 parts of cadmium, 0.37 parts of copper, 0.15 parts of magnesium, and aluminum 0.15 parts, silver chloride 1.5 parts, rare metal alloys 3 parts, manganese 2 parts, calcium 0.35 parts, phosphorus 0.02 parts, fluorine 0.04 parts, sulfur 0.04 parts, bauxite powder 2 parts, polysilicon 3 parts of ketone, 0.7 parts of superfine inorganic fiber cotton.

[0033] The rare metal alloy neodymium is 0.6 parts by mass, lanthanum is 0.6 parts by mass, and cerium is 0.6 parts by mass.

[0034] A welding process for welding materials for automobile sheet metal parts described above includes the following steps: (1) Put neodymium, cadmium, copper, magnesium, aluminum, silver chloride, manganese, calcium, phosphorus, fluorine, and sulfur into the melting Crucible, plus appropriate amount of charc...

Example Embodiment

[0037] Example 2

[0038] A welding material for automobile sheet metal parts, in parts by weight, comprising the following raw materials: 60 parts of tin, 35 parts of zinc, 1 part of neodymium, 2.5 parts of cadmium, 0.25 parts of copper, 0.3 parts of magnesium, and aluminum 0.11 parts, silver chloride 3 parts, rare metal alloys 2.0 parts, manganese 3 parts, calcium 0.2 parts, phosphorus 0.03 parts, fluorine 0.045 parts, sulfur 0.045 parts, bauxite powder 2 parts, polysilicon 3 parts of ketone, 0.7 parts of superfine inorganic fiber cotton.

[0039] The rare metal alloy neodymium is 0.3 parts by mass, lanthanum is 0.8 parts by mass, and cerium is 0.3 parts by mass.

[0040] A welding process for welding materials for automobile sheet metal parts described above includes the following steps: (1) Put neodymium, cadmium, copper, magnesium, aluminum, silver chloride, manganese, calcium, phosphorus, fluorine, and sulfur into the melting Crucible, plus appropriate amount of charcoal powd...

Example Embodiment

[0043] Example 3

[0044] A welding material for automobile sheet metal parts, in parts by weight, including the following raw materials: 85 parts of tin, 10 parts of zinc, 2 parts of neodymium, 1 part of cadmium, 0.5 parts of copper, 0.05 parts of magnesium, and aluminum 0.20 parts, silver chloride 0 parts, rare metal alloys 4.0 parts, manganese 1 part, calcium 0.5 parts, phosphorus 0.01 parts, fluorine 0.0375 parts, sulfur 0.0375 parts, bauxite powder 2 parts, polysilicon 3 parts of ketone, 0.7 parts of superfine inorganic fiber cotton.

[0045] Preferably, the rare metal alloy neodymium is 0.8 parts by mass, lanthanum is 0.3 parts by mass, and cerium is 0.8 parts by mass.

[0046] A welding process for welding materials for automobile sheet metal parts described above includes the following steps: (1) Put neodymium, cadmium, copper, magnesium, aluminum, silver chloride, manganese, calcium, phosphorus, fluorine, and sulfur into the melting Crucible, plus appropriate amount of cha...

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Abstract

The invention discloses an automobile sheet metal piece welding material and welding technology, and belongs to the technical field of machining. The automobile sheet metal piece welding material comprises the following raw materials of tin, zinc, neodymium, cadmium, copper, magnesium, aluminum, silver chloride, rare metal alloy, manganese, calcium, phosphorus, sulphur, bauxite powder, silicone and super-fine inorganic cellucotton. The automobile sheet metal piece welding technology comprises the steps of welding rod preparing, preheating, spot welding, annealing and the like. According to theautomobile sheet metal piece welding material and welding technology, the bauxite powder, the silicone and the super-fine inorganic cellucotton are adopted as a reinforcement system, and the weldingstrength and corrosion resistance of the automobile sheet metal piece welding material are improved.

Description

technical field [0001] The invention belongs to the field of mechanical processing, and in particular relates to a welding material and a welding process for automobile sheet metal parts. Background technique [0002] The welding chemical composition of dissimilar steel sheet metal is not uniform, the amount of melting of the base metal on both sides, the composition of the deposited metal and the melting zone of the base metal will change due to dilution, and the unevenness of the composition of the joint area depends not only on the base metal, The original composition of the filler metal is also affected by the welding process, which is easy to use small current, shallow penetration depth, and uneven structure. Under the influence of welding heat cycle, the microstructure of each area in the joint is different, and there will be complex microstructure in individual areas; the inhomogeneity of its performance; due to the change of microstructure and composition, the perfor...

Claims

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Application Information

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IPC IPC(8): B23K35/26B23K35/40B23K9/167
CPCB23K9/167B23K35/0261B23K35/262B23K35/40
Inventor 不公告发明人
Owner CHANGSHA XIAORU INFORMATION TECH CO LTD
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