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| 1 | Conditions for void formation in friction stir welding from machine learning显示文摘Friction stir welded joints often contain voids that are detrimental to their mechanical properties.Here we investigate the conditions for void formation using a decision tree and a Bayesian neural network.Three types of input data sets including unprocessed welding parameters and computed variables using an analytical and a numerical model of friction stir welding were examined.One hundred and eight sets of independent experimental data on void formation for the friction stir welding of three aluminum alloys,AA2024,AA2219,and AA6061,were analyzed.The neural network-based analysis with welding parameters,specimen and tool geometries,and material properties as input predicted void formation with 83.3% accuracy.When the potential causative variables,i.e.,temperature,strain rate,torque,and maximum shear stress on the tool pin were computed from an approximate analytical model of friction stir welding,90 and 93.3%accuracies of prediction were obtained using the decision tree and the neural network,respectively.When the same causative variables were computed from a rigorous numerical model,both the neural network and the decision tree predicted void formation with 96.6% accuracy.Among these four causative variables,the temperature and maximum shear stress showed the maximum influence on void formation. | Yang Du Tuhin Mukherjee Tarasankar DebRoy | 2019 | npj Computational Materials2019，，1： | 3 |
| 2 | Recent advances in friction-stir welding – Process, weldment structure and properties显示文摘 | R. Nandan T. DebRoy H.K.D.H. Bhadeshia | 2008 | Progress in Materials Science2008，，6： | 3 |
| 3 | Recent advances in friction-stir welding – Process, weldment structure and properties显示文摘 | R. Nandan T. DebRoy H.K.D.H. Bhadeshia | 2008 | Progress in Materials Science2008，，6： | 2 |
| 4 | A family of code coverage-based heuristics for effective fault localization显示文摘 | Wong W E Debroy V Choi B | 2010 | The Journal of Systems and Software2010，83，1： | 1 |
| 5 | Recent Advances in Friction-stir Welding - process, Weldment Structure and Properties 显示文摘 | NANDAN R DEBROY T BHADESHIA H K D H | 2008 | Progress in Materials Science2008，53，6： | 1 |
| 6 | The DStar method for effective software fault localization显示文摘 | Wong W E Debroy V Gao Ruizhi | 2014 | IEEE Trans on Reliability2014，63，1： | 1 |
| 7 | Oxidation of diamond films synthesized by hot filament assisted chemical vapor deposition显示文摘 | Tankala K DebRoy T Alam | 1990 | Journal of Materials Research1990，5，11： | 1 |
| 8 | Surface tension of binary metal-surface activesolute systems under conditions relevant to welding metallurgy 显示文摘 | Sahoo P Debroy T | 1987 | Metallurgical Transactions1987，19，6： | 1 |
| 9 | Recent advances in friction stir welding-process,weldment structure and properties显示文摘 | NANDAN R DEBROY T BHADESHIA H K D H | 2008 | Progress in Materials Science2008，53，： | 1 |
| 10 | Review: Friction stir welding tools 显示文摘 | RAI R DE A BHADESHIA H K D DEBROY T | 2011 | Science and Technology of Welding and Joining2011，16，4： | 1 |
| 11 | Measttrements and Monte Carlo simulation of grain growth in the heat-affected zone of Ti-6Al-4V welds 显示文摘 | Mishra S Debroy T | 2004 | Aeta Metallurgica2004，52，5： | 1 |
| 12 | Multiplex polymerase chain reaction assay for detection of nonserotypable Shiga toxin-produ- cing Escherichia coli strains of serogroup 0147 显示文摘 | Debroy C Roberts E Davis M | 2010 | Foodborne Pathog Dis2010，7，11： | 1 |
| 13 | Isoniazid hepatotoxicity with clinical and histopathology correlate显示文摘 | Gourishankar A Navarro F DebRoy A N | 2014 | Annals of Clinical&Laboratory Science2014，44，1： | 1 |
| 14 | Surface tension of binary metal-surface active solute systems under conditions relevant to welding metallurgy 显示文摘 | Sahoo P Debroy T | 1987 | MetallTrans1987，19，6： | 1 |
| 15 | Multiplex PCR detection of shiga toxin-producing Escherichia coil strains belonging to serugroups O157 , O103 , O91, O113 , O415 , O111 , and 026 experimentally inocula- ted in beef carcass swabs, beef trim, and ground beef显示文摘 | Valadez AM Debroy C Dudley E | 2011 | J Food Prot2011，74，2： | 1 |
| 16 | Macroporosity free aluminum alloy weldments through numerical simulation of keyhole mode laser welding 显示文摘 | ZHAO H DebRoy T | 2003 | Journal of Applied Physics2003，93，10： | 1 |
| 17 | Recent advances in the synthesis and p roperties of ferrocenes having an unsaturated backbone 显示文摘 | Debroy P Roy S | 2007 | Coord Chem Rev2007，251，： | 1 |
| 18 | Multiplex polymerase chain reaction assay for detection of nonserotypable Shiga tox- in producing Escherichia coli strains of serogroup Ol47显示文摘 | DebRoy C Roberts E Davis M | 2010 | Foodborne Pathog Dis2010，7，11： | 1 |
| 19 | Pore formation during laser beam welding of die-cast magnesium alloy AM60-Mechanism and remedy显示文摘 | ZHAO H DEBROY T | 2001 | Weld Journal2001，80，8： | 1 |
| 20 | Recent advances in friction - stir welding - process, weldment structure and properties 显示文摘 | Nandan R DebRoy T Bhadeshia | 2008 | Progress in Materials Science2008，53，： | 1 |
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