Search Results - "Godlewski, Larry"

Use of reactive nanostructured chemicals for refinement of Si eutectic in an aluminum casting alloy by Lu, Yang, Godlewski, Larry A., Zindel, Jacob W., Lee, Andre

“…Trisilanol phenyl polyhedral silsesquioxane (phenyl TSP) was added to a commercial aluminum alloy, AlSi10MnMg, to investigate its influence on microstructure,…”
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Effect of Micro-Structural Dispersity of SiMo Ductile Iron on High Temperature Performance during Static Oxidation by Lekakh, Simon N., Bofah, Asebi, Godlewski, Larry A., Li, Mei

“…High silicon and molybdenum (SiMo) ductile iron is commonly used for car exhaust systems, and its micro-structural dispersity depends on intrinsic parameters,…”
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Mechanical response and dislocation substructure of a cast austenitic steel under low cycle fatigue at elevated temperatures by Zhao, Hailong, Engler-Pinto, Carlos C., Tong, Jinyan, Godlewski, Larry A., Zindel, Jacob W., Li, Longfei, Li, Mei, Feng, Qiang

“…With the increase of exhaust temperature in automobiles resulting from the stricter environmental and fuel consumption regulations, high temperature fatigue…”
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Creep Behavior at 1273 K (1000 °C) in Nb-Bearing Austenitic Heat-Resistant Cast Steels Developed for Exhaust Component Applications by Zhang, Yinhui, Li, Mei, Godlewski, Larry A., Zindel, Jacob W., Feng, Qiang

“…ABSTRACT A series of Nb-bearing austenitic heat-resistant cast steels with variations of N/C ratios were investigated, and the morphological change of Nb(C,N)…”
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Effects of N/C Ratio on Solidification Behaviors of Novel Nb-Bearing Austenitic Heat-Resistant Cast Steels for Exhaust Components of Gasoline Engines by Zhang, Yinhui, Li, Mei, Godlewski, Larry A., Zindel, Jacob W., Feng, Qiang

“…In order to comply with more stringent environmental and fuel consumption regulations, novel Nb-bearing austenitic heat-resistant cast steels that withstand…”
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The Effect of Aging on the Relaxation of Residual Stress in Cast Aluminum by Godlewski, Larry A., Su, Xuming, Pollock, Tresa M., Allison, John E.

“…Most cast aluminum-engineered components are water quenched after the solution-treatment cycle of the casting process. This rapid water quenching has the…”
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Low Cycle Fatigue Behavior of Heat‐Resistant Austenitic Cast Steels at 950 °C by Zhao, Hailong, Li, Mei, Engler‐Pinto, Carlos C., Godlewski, Larry A., Zindel, Jacob W., Li, Longfei, Feng, Qiang

“…Exhaust manifolds are frequently subjected to severe thermal cycling due to startup and shutdown of automobile engines; consequently, high‐temperature fatigue…”
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Effect of Cr and Ni concentrations on resilience of cast Nb-alloyed heat resistant austenitic steels at extreme high temperatures by Lekakh, Simon N., Buchely, Mario, Li, Mei, Godlewski, Larry

“…Austenitic Cr–Ni alloyed heat resistant steels with Nb additions are used for intensively thermo-mechanically loaded cast components working in extreme high…”
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Effect of Cr and Ni concentrations on resilience of cast Nb-alloyed heat resistant austenitic steels at extreme high temperatures by Lekakh, Simon N., Buchely, Mario, Li, Mei, Godlewski, Larry

“…Austenitic Cr–Ni alloyed heat resistant steels with Nb additions are used for intensively thermo-mechanically loaded cast components working in extreme high…”
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Influence of pore characteristics and eutectic particles on the tensile properties of Al–Si–Mn–Mg high pressure die casting alloy by Liu, Ruxue, Zheng, Jiang, Godlewski, Larry, Zindel, Jacob, Li, Mei, Li, Wenkai, Huang, Shiyao

“…Heterogeneous microstructure and unpredictable porosity distribution in Al–Si high-pressure die-castings give rise to a significant variation in their…”
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Machine learning-augmented modeling on the formation of Si-dominated Non-β″ early-stage precipitates in Al-Si-Mg alloys with Si supersaturation induced by non-equilibrium solidification by He, Miao, Li, Yang, Ghaffari, Bita, Huo, Yang, Godlewski, Larry, Li, Mei, Fan, Yue

“…Recent experiments have shown that Al-Si-Mg alloys solidified under high cooling rates may lead to the nucleation of Si-enriched clusters that are remarkably…”
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Improvement of High-Temperature Performance of High Si SGI by Al Alloying and Optimizing Microstructural Dispersity by Lekakh, Simon N., Bartlett, Laura, Godlewski, Larry, Li, Mei

“…High alloyed by Si cast iron with spherical graphite (SGI) has a unique combination of mechanical properties at room temperature and high oxidation resistance…”
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Effect of Spallation on Oxidation Kinetics of Heat-Resistant Cr–Ni Austenitic Steels on Air and Combustion Atmosphere by Lekakh, Simon N, Neroslavsky Oleg, Li, Mei, Godlewski, Larry, Zhu, Wenhui

“…Thin-walled castings made from Cr–Ni austenitic steels offer a combination of light weight of a near-net component with significant high temperature corrosion…”
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Prevention of High-Temperature Surface Degradation in SiMo Cast Irons by Cr and Al Alloying by Lekakh, Simon N., Bofah, Asebi, Chen, Wei-Ting, Godlewski, Larry, Li, Mei

“…High silicon molybdenum-alloyed cast irons (SiMo) with spherical graphite are widely used for cast thin-wall exhaust manifolds, worked in high-temperature…”
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Ultrasonic characterization of shrinkage microporosity in aluminum castings by Ghaffari, Bita, Mozurkewich, George, Godlewski, Larry A., Zindel, Jacob W.

“…Shrinkage microporosity in cast aluminum was characterized utilizing the frequency dependence of ultrasonic attenuation caused by scattering from the pores…”
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Effect of Vacuum on Die Filling in High Pressure Die Casting: Water Analog, Process Simulation and Casting Validation by Trometer, Nicole, Godlewski, Larry A., Prabhu, Eben, Schopen, Marcus, Luo, Alan A.

“…High pressure die casting (HPDC) of aluminum alloys is increasingly used for thin-walled and lightweight components in automotive and other industries…”
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Measuring and Modeling Microsegregation in High-Pressure Die Cast Mg–Al Alloys by Berman, Tracy D., Yao, Zhenjie, Deda, Erin, Godlewski, Larry, Li, Mei, Allison, John E.

“…This work provides a quantitative description of the microstructure and microsegregation behavior of high-pressure die-cast (HPDC) Mg–Al and Mg–Al–Mn alloys…”
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Effect of As-cast Surface on Oxidation Behavior of High-Si Ductile Irons by Lekakh, Simon, Bofah, Asebi, O’Malley, Ron, Bartlett, Laura, Godlewski, Larry, Li, Mei

“…The as-cast components in ductile iron have external and internal surfaces formed during solidification in the mold, and a significant portion of the original…”
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High Temperature Oxidation and Decarburization of SiMo Cast Iron in Air and Combustion Atmospheres by Lekakh, Simon N., Bofah, Asebi, Osei, Richard, O’Malley, Ron, Godlewski, Larry, Li, Mei

“…Silicon and molybdenum ( SiMo ) alloyed cast irons with spherical graphite are used for exhaust manifolds for service at high temperatures in air and…”
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Improving High-Temperature Performance of High Si-Alloyed Ductile Iron by Altering Additions by Lekakh, Simon N., Johnson, Caelen, Bofah, Asebi, Godlewski, Larry, Li, Mei

“…High alloyed Si ferritic ductile irons can offer potential benefits because they combine high strength, ductility at room temperature, and low oxidation rate…”
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