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https://opportunitytowin.blogspot.in/ is an online platform founded on 6 Dec. 2016 for Digital Resource about all about mechanical knowledge. We also review latest technologies and detailed study about mechanical topics . Basically we provide all data to fulfill curiosity of our readres. We want to make this platform into “One Stop Place For all Mechanical FAQs”.


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    Popular posts from this blog

    FILLET WELD FRACTURE TEST

    FILLET WELD FRACTURE TEST Object :  To break the joint through the weld to permit examination of the fracture surfaces for flaws and to check root penetration and fusion. Method: The specimen is cut to length and a saw cut, normally 2 mm deep, is made along the center of the weld face. The specimen is fractured by bending or hammer blows. Reporting Results: Thickness of parent material.  Throat thickness and leg length.  Location of fracture. Appearance of joint after fracture. Depth of penetration / lack of penetration or fusion.
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    BEND TESTS

    BEND TESTS Object:   To determine the soundness of weld metal, heat affected zone and weld zone.These tests may also be used to give some measure of the ductility of the weld zone. It is not usual to use transverse and longitudinal bend tests for the same application. Method:   All specimens to be removed and prepared without causing significant distortion or heating. The cap and root are ground flush. The specimen is bent by the movement of a former of prescribed diameter, the relevant side of the specimen to be placed in tension. Angle of bend and diameter of former should be as specified in the appropriate standard. Reporting Results: Thickness of specimen Direction of bend (root or face) Angle of bend Diameter of former Appearance of joint after bending e.g. type and location of flaws
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    TRANSVERSE TENSILE TEST

    TRANSVERSE TENSILE TEST Object:   Used to measure the transverse tensile strength under static loading of a butt joint employing butt welds. The reduced section tensile test normally fails in the parent metal and so it is not designed to give the tensile strength of the weld. The radius reduced tensile test is a test of the as deposited diluted weld metal. The all weld tensile test, using a longitudinal section from the weld only, is used to check the as deposited undiluted weld metal. (Usually used by consumable manufacturers.) Method: The test piece is clamped at each end and a load is applied by an hydraulic or screw mechanism. The load is increased until fracture occurs. Reporting Results: Type of specimen (e.g. reduced section).  Whether excess eld metal is removed or not. Tensile strength, in Newtons per mm squared, is calculated from maximum load and original cross sectional area. When excess weld metal is not removed, the cross sectional area shall ...
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