Term paper ใน PRE 627 Welding Metallurgy

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A Methodology for Prediction of Fusion Zone Shape (.pdf)A methodology was developed to predict fusion depth and width in gas metal arc welding H. Furuya et al. (1)

A New Proposal of HAZ Toughness Evaluaton Method: Part 2 - HAZ Toughness Formulation by Chemical Compositions (.pdf)Weld joints in structural steels were examined to determine HAZ toughness, then correlated to the steels chemical composition H. Furuya et al. (2)

Technical Note: Martensite Formation in Austenitic/Ferritic Dissimliar Alloy Welds (.pdf)Concentration gradients were used to explain he differences in martensite layer widths in the partially mixed zone of dissimilar welds J. N. DuPont and C. S. Kusko (3)

Liquation Cracking in Full-Penetration Al-Mg-Si Welds A higher fraction solid in the weld metal than in the partially melted zone during terminal solidification is a necessary condition for cracking to occur BY C. HUANG AND S. KOU (4)

Friction Stir Welding of 2219 Aluminum: Behavior of q (Al2Cu) particlesAn experimental study was conducted into whether a workpiece reaches the lower bounds of melting temperature to trigger liquation when friction stir welded BY G.CAO AND S. KOU (5)

Weld Solidification and Cracking Behavior of Free-Machining Stainless Steel A range of alloy compositions exhibiting good resistance to solidification cracking is identified. BY J. A. BROOKS, C. V. ROBINO, T. J. HEADLEY, AND J. R. MICHAEL (6)

WELDING RESEARCH Weld Properties of AISI 303 Free-Machining Stainless Steel Tests identify the most appropriate composition ranges for strength, ductility, and welding response. BY J. A. BROOKS, S. H. GOODS, AND C. V. ROBINO (7)

Liquation Phenomena in the Simulated Heat- Affected Zone of Alloy 718 after Multiple Postweld Heat Treatment CyclesDelta-phase formation increases liquation cracking susceptibility. BY M. QIAN AND J. C. LIPPOLD (8)

Microstructural Variations in a High-Strength Structural Steel Weld under Isoheat Input Conditions Weld bead morphologies influence weld cooling rate and hence the acicular ferrite content in steel . BY B. BASU AND R. RAMAN (9)

Development of Appropriate Resistance Spot Welding Practice for Transformation-Hardened SteelsA repeatable and effective methodology for producing a temper diagram for different steels is demonstrated. BY W. L. CHUKO AND J. E. GOULD (10)

Retained Austenite as a Hydrogen Trap in Steel WeldsHydrogen trapping is investigated as a means of improving resistance to hydrogen-assisted cracking in HSLA steels. BY Y. D. PARK, I. S. MAROEF, A. LANDAU, AND D. L. OLSON (11)

Partially Melted Zone in Aluminum Welds: Solute Segregation and Mechanical Behavior The liquated material solidifies with severe segregation into a low-strength, low-ductility structure consisting of a solute-depleted ductile phase and a solute-rich brittle eutectic. BY C. HUANG AND S. KOU (12)

Partially Melted Zone in Aluminum Welds-- Planar and Cellular Solidification Liquated grain boundaries mostly resolidify with the planar mode but the cellular mode has also been observed. BY C. HUANG AND S. KOU (13)

Welding of Martensitic Creep-Resistant SteelsThe relationship between preheat and M s temperatures was investigated. BY L. BÉRES, A. BALOGH AND W. IRMER (14)

Friction Stir Welding of Aluminum Alloy to Steel The friction stir welding process was successfully used to weld aluminum to steel K. KIMAPONG AND T. WATANABE (15)

Weldability of a Corrosion-Resistant Ni-Cr-Mo-Cu Alloy Copper addition to a Ni-Cr-Mo alloy does not harm weldability, according to Varestraint test results. M. D. ROWE, P. CROOK, AND G. L. HOBACK (16)