Effect of enhanced weld cooling on the mechanical properties of a ...

Effect of Heat Input on the Metal Microstructure and Mechanical ...

The effect of heat input on the microstructure and properties of the deposited metal of high-strength steel solid welding wire was studied, the ...

Ultrastrong and ductile steel welds achieved by fine interlocking ...

Therefore, the challenge in welding of automotive UHSS is to improve strength without a loss in ductility (elongation and toughness) in the ...

Microstructure and mechanical properties of GTAW welded joints of ...

They showed that as welding speed increased tensile strength increased, ... produced lower heat input and increased the cooling rate resulting in insufficient ...

Effect of Enhanced Mechanical Properties of Weld Metal and Heat ...

With the increase of the cooling rate within the subcritical temperature range, strength and yield stress for weld metal and heat affected zone grow and,.

Effect of in-process cooling on microstructure and mechanical ...

In-process cooling significantly influenced weld microstructure, zone size, microhardness, and tensile properties, which varied with the cooling medium.

investigation on the effect of vibrations on cooling behavior and ...

The UTS of vibratory welded joints improved by. 80 MPa compared to that of the conventional welded joints. The yield strength and percentage elongation has been ...

Effect of cooling rate on hardness and microstructure of AISI 1020 ...

Key words: Carbon steels, hardness, microstructure, heat treatment. INTRODUCTION. Mechanical properties of steels are strongly connected to their microstructure ...

prediction of mechanical properties as a function of welding ...

In addition, it was observed that the tensile strength values of the welds were higher than the base metal and that this increased when increasing the arc ...

Metallurgy for welders - The Fabricator

Heat input during welding can affect the mechanical properties of a material adversely. When a weld joint is produced with an excessively ...

Enhancing microstructure and mechanical properties of dissimilar ...

The dissimilar welded joint was investigated by exposing it to the PWHT for 12 h at 650 °C. Reducing the negative impact of heat generated by ...

Influence of Heat Inputs on Weld Profiles and Mechanical Properties ...

The tensile strength, impact strength and hardness of the welded joint were appraised. While the impact strength of the weldment increased with the increase in ...

Effect of Welding Parameters on Mechanical Properties of Low ...

As the heat energy input was increased, the mechanical properties for tensile strength, impact and hardness decrease due to microstructure of coarse pearlite in ...

The Effects of In-Process Cooling during Friction Stir Welding of ...

In-process cooling was found to behave effectively and also enhanced the mechanical properties of the welded joints. A stable microstructure was clearly ...

Effect of Post Weld Heat Treatments on the Elevated Temperature ...

Title:Effect of Post Weld Heat Treatments on the Elevated Temperature Mechanical Properties of Ti6Al4V Friction Welds ; Subjects: Applied Physics ...

Weldability of Stainless Steel | OnlineMetals.com®

As with many other alloys, achieving the same mechanical properties in the weld as in parent material is difficult for P-H steels. Even when utilizing ...

Enhancement in the Hardness and Corrosion Resistance of Mild ...

Haerian, (2009) “Effect of copper content on the microstructure and mechanical properties of multipass MMA, low alloy steel weld metal deposits" ...

Effects of Post Weld Heat Treatment (PWHT) Temperature on ...

P91 steel, containing varying amounts of Mn+Ni, and have examined the effects of PWHT temperatures on the mechanical properties of each weld metal. The upper.

Influence of heat input and preheating on the cooling rate ...

Weld metal strength properties increased at the cooling rate ... tensile strength and impact energy was defined for welds with acceptable ...

Effect of enhanced cooling on microstructure evolution of alloy 718 ...

... welding affected the aging response and the mechanical properties. The average weld cooling rate was enhanced in gas tungsten arc (GTA) welding process by ...

Comparison of Mechanical Properties of Austempered, Normalized ...

(2012) submitted that the tensile strength, hardness and impact strength of metal can be enhanced by austempering heat treatment. Austempering of steel have.