Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Modified nano oxide welding line technology

A nano-oxide, modified technology, applied in the direction of welding medium, manufacturing tools, welding equipment, etc., can solve the problems of low yield point and strength limit, mechanical properties that cannot meet the requirements of use, poor impact toughness, etc., to reduce heat loss Crack tendency, reduction of oxygen content, effect of improving strength and toughness

Inactive Publication Date: 2018-12-07
许丹维
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a modified nano-oxide welding process to solve the problem that the mechanical properties of the traditional metal welds proposed in the above background technology can no longer meet the requirements of use, the yield point and strength limit are low, and the impact resistance is low. Toughness is also poor

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A modified nano-oxide welding seam process, the specific coating process steps are as follows:

[0023] Step 1: first add alloying agent to the steel wire as a welding core, and the alloying agent is manganese metal.

[0024] Step 2: Coating the surface of the welding core prepared in step 1 with a modified coating to form an electrode. The modified coating is a titanium alloy mixed with Al2O3 and TiO2 nanometer powders.

[0025] Step 3: Pre-treat the surface of the weld groove.

[0026] Step 4: welding the welding rod obtained in step 2 to the surface of the groove of the weld seam treated in step 3, and injecting the alloy modified by TiO2 nanometer powder into the welding pool.

[0027] Step 5: Finally, repeatedly brush the stainless steel weld seam cleaner with a brush on the weld seam in step 4.

[0028] Wherein, the percentage content of the TiO2 nano powder is 0.3%, the yield point of the weld is 453МПа, the strength limit is 620МПа, the elongation is 19%, and ...

Embodiment 2

[0035] A modified nano-oxide welding seam process, the specific coating process steps are as follows:

[0036] Step 1: first add alloying agent to the steel wire as a welding core, and the alloying agent is manganese metal.

[0037] Step 2: Coating the surface of the welding core prepared in step 1 with a modified coating to form an electrode. The modified coating is a titanium alloy mixed with Al2O3 and TiO2 nanometer powders.

[0038] Step 3: Pre-treat the surface of the weld groove.

[0039] Step 4: welding the welding rod obtained in step 2 to the surface of the groove of the weld seam treated in step 3, and injecting the alloy modified by TiO2 nanometer powder into the welding pool.

[0040] Step 5: Finally, repeatedly brush the stainless steel weld seam cleaner with a brush on the weld seam in step 4.

[0041] Wherein, the percentage content of the TiO2 nano powder is 0.7%, the yield point of the weld is 462МПа, the strength limit is 613МПа, the elongation is 20%, and ...

Embodiment 3

[0048] A modified nano-oxide welding seam process, the specific coating process steps are as follows:

[0049] Step 1: first add alloying agent to the steel wire as a welding core, and the alloying agent is manganese metal.

[0050] Step 2: Coating the surface of the welding core prepared in step 1 with a modified coating to form an electrode. The modified coating is a titanium alloy mixed with Al2O3 and TiO2 nanometer powders.

[0051] Step 3: Pre-treat the surface of the weld groove.

[0052] Step 4: welding the welding rod obtained in step 2 to the surface of the groove of the weld seam treated in step 3, and injecting the alloy modified by TiO2 nanometer powder into the welding pool.

[0053] Step 5: Finally, repeatedly brush the stainless steel weld seam cleaner with a brush on the weld seam in step 4.

[0054] Wherein, the percentage content of the TiO2 nano powder is 0.5%, the yield point of the weld is 514МПа, the strength limit is 647МПа, the elongation is 21%, the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
elongationaaaaaaaaaa
elongationaaaaaaaaaa
Login to View More

Abstract

The invention discloses a modified nano oxide welding line technology. The modified nano oxide welding line technology comprises the following specific welding line technology steps that an alloy agent is added into a steel wire, a core wire is formed, and the alloy agent is manganese metal; the surface of the core wire prepared in the first step is coated with a modified coating, and a welding rod is formed, wherein the modified coating is a titanium alloy in which Al2O3 and TiO2 nano powder is mixed; pretreatment is conducted on the surface of a groove of a welding line; then, the welding rod obtained in the second step is welded to the surface of the groove of the welding line obtained after treatment in the third step, and the TiO2 nano powder modified alloy is injected into a weldingpool; and finally, brush application of a stainless steel welding line cleaning agent is repeatedly conducted on the welding line position in the fourth step through a brush. According to the modifiednano oxide welding line technology, the welding line heat crack tendency can be reduced, air holes are prevented from happening to the welding line, meanwhile, the yield point and the strength extreme of the metal welding line can be improved, ductility and the relative area reduction rate are reduced, and impact toughness is improved.

Description

technical field [0001] The invention belongs to the technical field of material processing, and in particular relates to a modified nano-oxide welding seam process. Background technique [0002] The weld seam is the joint part formed by the weldment after welding. The mechanical properties of the traditional metal weld seam can no longer meet the requirements of use, the yield point and strength limit are low, and the impact toughness is also poor. Contents of the invention [0003] The purpose of the present invention is to provide a modified nano-oxide welding process to solve the problem that the mechanical properties of the traditional metal welds proposed in the above background technology can no longer meet the requirements of use, the yield point and strength limit are low, and the impact resistance is low. The toughness is also poor. [0004] In order to achieve the above purpose, the present invention provides the following technical solutions: a modified nano-ox...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B23K31/02B23K37/00B23K35/40
CPCB23K31/02B23K35/40B23K37/00
Inventor 许丹维
Owner 许丹维
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products