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WJ Supplements - 2001
RESEARCH PAPERS
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A study to predict spatter correlated waveform activity to different welding conditions to develop four different models. BY M.J. Kang, et al. Published January 2001 The partially melted zone in gas metal arc welds of Alloy 2219 showed a weakness for hot cracking. BY Huang, et al. Published January 2001 A multipass technique was investigated as a means of reducing stress relief cracking of steels that normally require postweld heat treatment. BY J. G. Nawrocki, et al. Published January 2001 Treatment using a highly concentrated plasma jet created a very hard surface resistant to breakage with impact. BY L. K. Leshchinskiy and S. S. Samotugin Published January 2001 A fuzzy logic system was developed to recognize common disturbances in automatic gas metal arc welding. BY C. S. Wu, T. Polte and D. Rehfeldt Published February 2001 Greater control of bead width and weld penetration will come from a better understanding of weld pool convection. BY S. H. Ko, S. K. Choi and C. D. Yoo Published February 2001 Solidification theories for metal casting and crystal growth were applied to the study of solidification in the partially melted zone. BY C. Huang and S. Kou Published February 2001 Active control technology is proposed to ensure a repeatable and stable one-drop-per-pulse transfer mode. BY Y. M. Zhang and P. J. Li Published February 2001 The corrosion behavior and weldability of Fe-Al cladding were characterized in aggressive reducing environment. BY S. W. Banovic, et al. Published March 2001 Thermal cycles in the dynamically recrystallized zone were shown to affect grain growth BY G. Oertelt, et al. Published March 2001 A new model is developed to predict residual stress and deformation in welded steel structure BY G. B. Jang, et al. Published March 2001 Microstructure evolution was examined between two self-shielded flux cored electrodes with different levels of aluminum in their composition. BY S. S. Babu, et al. Published April 2001 The question whether the same analytical models used to predict oxide inclusions can be used to predict nitride formation is answered. BY M. A. Quintana, et al. Published April 2001 The accuracy of values assigned to ferrite reference materials was established as a step in validating calibration procedures for ferrite gauges. BY C. N. McCowan, et al. Published April 2001 Various types of instrumentation were investigated for measuring hydrogen distribution across the weld. BY R. D. Smith II, et al. Published May 2001 A fast operating sensor for measuring diffusible hydrogen was designed and successfully tested. BY R. D. Smith II, et al. Published May 2001 New oxygen equivalent equations were developed through statistical regression analysis of mechanical property data. BY D. D. Harwig, et al. Published May 2001 An investigation is made into the use of the FCAW process on thick weldments and their fatigue strength properties. BY H. W. Lee, et al. Published June 2001 The laser process is used to braze tube assemblies used in aerospace and medical application. BY V. R. Dave', et al. Published June 2001 New oxygen equivalent equations were developed through statistical regression analysis of mechanical property data. BY D. D. Harwig, et al. Published June 2001 An effective penetration control system was es "tablished using a linear relationship to the back-side weld pool width. BY S. B Zhang and Y. M. Zhang Published July 2001 A hybrid welding process shows promise, but weld toughness needs improvement on thick HY-80. BY C. V. Hyatt, et al. Published July 2001 Fume generation results using the same process, but two different electrode types, were recorded over a wide range of voltages and wire feed speeds. BY H. Xin, et al. Published July 2001 Establishment of process parameters to control bead geometry required very few experiments when genetic algorithms were used. BY D. Kim and S. Rhee. Published July 2001 An effective penetration control system was es "tablished using a linear relationship to the back-side weld pool width. BY L. Béres, et al. Published August 2001 Some interesting results of an investigation into dynamic compressive flow behavior expand our understanding of the friction stir welding process. BY Y. J. Chao, et al. Published August 2001 A newly proposed multiaxial spot weld specimen allows testing under combined loads. BY S. Zhang Published August 2001 This study identifies what causes pore formation and presents solutions to the problem/ BY H. Zhao, et al. Published August 2001 An investigation into heat generation at the point of contact sheds light on developing a weld nugget faster and with less current. BY X. Sun Published September 2001 The influence of welding variables on the integrity of welds produced by a refractory flux method is defined. BY V. Malin Published September 2001 The influence of joint geometry on the integrity of welds produced by a refractory flux methodis defined. BY V. Malin Published September 2001 A model is proposed to predict the variations in welding parameters with the short circuiting transfer mode. BY J. H. Choi, et al. Published October 2001 A simple approach to determining the heat allocation to both sides of a dissimilar joint is proposed. BY V. R. Davé, et al. Published October 2001 An investigation into ways of controlling bead shape will be beneficial in automating the gas tungsten arc process. BY D. B. Zhao, et al. Published November 2001 The structural integrity of automobiles hinges was evaluated under various laser welding parameters. BY L. Quintino, et al. Published November 2001 Friction welding proves viable in joining a stainless steel considered unweldable by fusion processess. BY K. S. Mortensen, et al. Published November 2001 The possibility of introducing austenite stabilizers into the heat-affected zone during welding to restrict grain growth is investigated. BY A. M. Meyer and M. du Toit Published December 2001 An extensive study conducted on interface morphology and mechanical properties of friction stir welds brings a greater understanding of the process. BY L. Cederqvist and A. P. Reynolds Published December 2001 A diagnostic tool for rapidly measuring the power density, distribution of an electron beam offers repeatabilit in producing a focused beam. BY J. W. Elmer and A. T. Teruya Published December 2001 |