An Investigation of Heat Affected Zone of Round Steel Rods Welded by Friction Welding

Chawalit Thinvongpituk; Surasing Arayangkun

doi:10.4028/www.scientific.net/AMM.217-219.2198

Paper Titles

Analysis of Main Optimization Techniques in Predicting Surface Roughness in Metal Cutting Processes
p.2171

Robust Process Design towards through-Silicon via Quality Improvement Based on Grey-Taguchi Method
p.2183

Investigation of Vibration and Surface Roughness in Micro Milling of PMMA
p.2187

Overviews of the Behavior of Heat Transfer of Soft-Contact Electromagnetic Continuous Casting Mold
p.2194

An Investigation of Heat Affected Zone of Round Steel Rods Welded by Friction Welding
p.2198

Helical Drills Wear during Drilling of a New ELC Austenitic Stainless Steels
p.2202

Development of Mathematical Model for Chip Serration Frequency in Turning of Stainless Steel 304 Using RSM
p.2206

Femtosecond Laser Micromachining of High Quality Groove on Sapphire Surface
p.2213

Investigation into Indirect Selective Laser Sintering Alumina Ceramic Parts Combined with Cold Isostatic Pressing
p.2217

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219An Investigation of Heat Affected Zone of Round...

An Investigation of Heat Affected Zone of Round Steel Rods Welded by Friction Welding

Abstract:

Friction welding is a welding technique that has been studied and developed continuously. This is due to its advantages, such as it provides high quality of joint, high strength of joint. It can make welded zone through the whole section without bubble. However, there is heat generated in the welding process that can change the phase of materials. Hence, the hardness and strength of joint are affected. This paper is aimed to investigate the microstructure at the joint, which is called heat affected zone. The experiment was conducted with a number of steel rods of 10 mm. diameter. The welded specimens were tested for strength, hardness and microstructure. The temperature gradient of specimen under welding process was also recorded. It was revealed that the strength of welded element is higher but the hardness is lower. The photo of thermo scan revealed that heat is generated around the lip of interface, resulting high temperature in heat affected zone. This causes some change in microstructure composition as well as joint property.