Search results for keyword: weldment
Welding process and strengthening and toughening characteristics of ultra-fine grain steel
Welding of Ultra-Fine-Grained Steel and its Hardenability Characteristics
ABSTRACT
The increase of resistivity of high strength steel has posed challenges to welding process in many welding and fabrication applications. The use of ultra-fine-grained (UFG) steel eliminates or reduces the need to ......
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Tungsten Argon Arc Welding Technology for Large Section Red Copper Busbar
Welding Technology of Large Section Copper Bus Line Tungsten Electrode Argon Arc Welding
Tungsten electrode argon arc welding technology applied to large cross-section copper busbar is an important method for connecting two copper busbar or copper terminals. The application of this technology has......
Surfacing Welding Technology and Application of Large-Sized Block Trimming Die
Welding technology and application of large inlaid-block edge trimming die
Edge trimming is a very important operation in the manufacturing process of stamping parts. Large inlaid-block edge trimming die is a new type of die, which has the advantages of high tool stiffness, high dynamic stability......
Tensile test results of deposited metal of low alloy steel electrodes (GB/T 5118-1995)
Low Alloy Steel Welding Wire Weld Metal Tensile Test Results (GB/T 5118-1995)
Low alloy steel welding wire, when welded, is subject to an extensive range of tests to determine its ability to form a reliable weld. This work helps ensure that the weldment is capable of performing its designed funct......
Welding Current Types for Low Alloy Steel Electrode Tests
Welding Currents for Low Alloy Steel Electrode Test
Low alloy steel electrodes are a type of welding wire that is used for making strong welds on low alloy steels. Low alloy steels are steels with a higher content of alloying elements, such as chromium, manganese and molybdenum. This type of elec......
Process Measures for Welding Low Alloy High Strength Steel
Welding Techniques for Low Alloy High Strength Steel
Low Alloy High Strength Steel (LAHSS) is becoming increasingly popular in the fabrication of components and structures due to its low cost, high strength and excellent weldability. As with any material, however, there are some challenges in we......
Features of multi-layer multi-pass welding
Introduction
Multi-layer and multi-pass welding procedure is one of the most common methods used in the fabrication of industrial welded products. It is also known as incremental welding and involves the formation of multiple weld beads in a single weldment. The purpose of the multiple weld beads ......
Secondary crystallization of weld metal
Secondary Recrystallization of Weld Seam Metal
Welding is widely used in many aspects of industry, and the weld seam metal has a direct relationship with the quality of welding process and the performance of welding materials. The welding process changes the microstructure of the welded metal, re......
Modification Treatment Method of Primary Crystallization Structure of Weld Seam
Welding Consequent Crystallization Transformation Treatment Method
In welding processes, the crystallization structure of the welding seams is affected by various factors, including current, welding speed, electrode pressure, electrode power, welding gap, arc duration, electrode slide range, curr......
Transition Coefficients of Weld Alloying Elements
Introduction
The transition coefficients of welded alloy elements refer to the degree of change of the properties of the welded alloy elements between the welded zone and the base material. It is an important physical parameter in the welding surgery. It is one of the main indicators to evaluate......
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