TENSILE STRENGTH ANALYSIS OF V GROOVE BUTT WELD JOINT FOR ALUMINIUM ALLOYS AA 2025 & AA 7025

MECHANICAL ENGINEERING

In this research, the effect of groove angle on tensile strength of tungsten inert gas (TIG) welded AA2025 and AA7025 alloy weldments have been investigated. Now a days in shipping, aerospace and in process industry aluminium and its alloys are commonly used because of their valuable properties such as light weight, better corrosion resistance and weld ability. The current study aim is to Investigation of Strength of V Groove Butt Joint on mechanical properties of AA2025 and AA7025 for different groove angle and bevel heights keeping root opening, voltage and current constant. The specimens are prepared by using V groove butt weld joints. In this work gas Tungsten Inert Gas (TIG) welding process has been selected because TIG welding is the process of joining different materials with high quality in the presence of inert gas. Alternating current power source has been selected because of better cleaning action and due to alternating current the high heat concentration on the material can be avoided. Mechanical tests such as tensile test have been conducted to find tensile strength. The Tensile strength of the welded joint is tested by a universal tensile testing machine

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