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WJ Supplements - 2001
RESEARCH PAPERS
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Mechanical properties for multipass welds are investigated and weld deformation and residual stress are simulated using finite element analysis. BY G. B. JANG, H. K. KIM AND S. S. KANG Posted 7/01 Postweld thermal cycling of friction stir aluminum alloy welds leads to complex microstructural evolution. BY G. OERTELT, S. S. BABU, S. A. DAVID AND E. A. KENIK Posted 7/01 Thermodynamic and kinetic models provide insight into microstructure evolution in self-shielded flux cored arc welds. BY S. S. BABU, S. A. DAVID, AND M. A. QUINTANA Posted 7/01 The accuracy of FN measuring gauges was established, and reference materials showed a very low standard deviation. BY C. N. McCOWAN, T. A. SIEWERT, D. P. VIGLIOTTI AND C. M. WANG Posted 7/01 An investigation was made to see whether the same analytical models used to predict oxide inclusion in weld metal can also be used to predict nitride formations. BY M. A. QUINTANA, J. McLANE, S. S. BABU AND S. A. DAVID Posted 11/99 Oxygen equivalent equations were developed to improve the relationships between the factors that control strength, ductility and hardness of CP titanium welds. D. D. HARWIG, W. ITTIWATTANA AND H. CASTNER Posted 7/01 Various methods for analyzing total hydrogen distributions in HSLA 100 welds were investigated. BY R. D. SMITH II, G. P. LANDIS, I. MAROEF, D. L. OLSON AND T. R. WILDEMAN Posted 7/01 A hydrogen sensor was developed that generates results in less than an hour and allows analysis to be done on the actual welded structure. BY R. D. SMITH II, D. K. BENSON, I. MAROEF, D. L. OLSON AND T. R. WILDEMAN Posted 7/01 The differences in fatigue properties of welds with surface cracks and welds with internal cracks were determined. BY H. W. LEE, S. W. KANG AND J. U. PARK Posted 7/01 Fatigue life was analyzed and a correlation was made between ultrasonic inspection data and fatigue life distribution. BY H. D. SOLOMON Posted 7/01 Even-joint illumination for high-quality laser brazing was attained, and the method can be tailored to part geometry. BY V. R. DAVÉ, R. W. CARPENTER, D. T. CHRISTENSEN AND J. O. MILEWSKI A control method that delivers one drop per pulse transfer in a robust and repeatable manner is proposed. BY Y. M. ZHANG AND P. J. LI Posted 7/01 The relationship between preheat and M s temperatures was investigated. BY L. BÉRES, A. BALOGH AND W. IRMER Posted 7/01 Dynamic compressive flow behavior and its relation to yield stress and strain hardening were investigated. BY Y. J. CHAO, Y. WANG AND K. W. MILLER Posted 7/01 The global force applied to a test specimen is related to the local stress at the spot weld. BY S. ZHANG Posted 7/01 Controlled remelting of the fusion zone led to removal of gas bubbles, reducing porosity. BY H. ZHAO AND T. DEBROY Posted 7/01 A portable, light, and efficient backing system with thermosetting flux offers solid support for root weld formation in field erection BY V. MALIN Posted 8/01 Relationships between the shape of the root weld and variations in joint geometry were established. BY V. MALIN Posted 8/01 An incrementally coupled analysis procedure can be used to develop improved procedures for determining weld conditions. BY X. SUN Posted 8/01 A model is developed to predict variations in welding parameters due to surface tension and electromagnetic force. BY J. H. CHOI, J. Y. LEE, AND C. D. YOO Posted 10/01 | Published10/01 A reduced thermal model is developed that accurately captures joint temperatures and provides guidance in weld parameter development. BY V. R. DAVÉ, M. J. COLA, AND G. N. A. HUSSENO Posted 10/01 | Published10/01 The technical characteristics of pulsed GTAW with wire filler metal were investigated and intelligent control was developed to control the shape of the weld. BY D. B. ZHAO, S. B. CHEN, L. WU, M. DAI, and Q. CHEN Posted 10/01 | Published11/01 A laser welding procedure for joining hinges to the reinforcement structure of car doors is evaluated. BY L. QUINTINO, P. VILAÇA, R. RODRIGUES, AND L. BORDALO Posted 10/01 | Published11/01 A stainless steel normally considered nonweldable by fusion methods can be joined using friction welding. BY K. S. MORTENSEN, C. G. JENSEN, L. C. CONRAD, AND F. LOSEE Posted 10/01 | Published11/01 Critical sheet interface was eliminated by either a second weld pass or refined tool dimensions, resulting in exceptional joint efficiency. BY L. CEDERQVIST AND A. P. REYNOLDS Posted 2/02 | Published12/01 An improved Faraday cup promises to provide rapid and accurate beam profiles, eliminating sources of error that are detrimental to a production environment. BY J. W. ELMER AND A. T. TERUYA Posted 2/02 | Published12/01 The possibility of introducing austenite stabilizers into the HAZ to restrict grain growth is investigated. BY A. M. MEYER AND M. du TOIT Posted 2/02 | Published12/01 |