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Keywords: porosity
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Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A042, September 3, 2020
Paper No: MSEC2020-8442
... Inconel 718 specimens is performed. Regions that lie near volumetric porosity defects were studied. Grain Orienta- tion Spread was utilized as a metric to quantify intra - granular deformation. It was seen that microstructure evolution of grains near defects is enhanced due to strain concentrations...
Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A013, September 3, 2020
Paper No: MSEC2020-8532
... tool geometries and processing conditions can lead to improved control of the reinforcement phase distribution and enable design of metal-matrix composites with tailored site-specific properties. Keywords: Composite materials, Friction stir, Additive manufacturing, Porosity, Solid-state manufacturing 1...
Proceedings Papers

Proc. ASME. MSEC2019, Volume 1: Additive Manufacturing; Manufacturing Equipment and Systems; Bio and Sustainable Manufacturing, V001T01A015, June 10–14, 2019
Paper No: MSEC2019-2987
... additive manufacturing keyhole laser powder bed fusion porosity A NUMERICAL STUDY ON THE KEYHOLE FORMATION DURING LASER POWDER BED FUSION PROCESS Subin Shrestha and Y. Kevin Chou Additive Manufacturing Research Center University of Louisville Louisville, KY 40292 ABSTRACT The dynamic...
Topics: Lasers
Proceedings Papers

Proc. ASME. MSEC2019, Volume 2: Processes; Materials, V002T03A046, June 10–14, 2019
Paper No: MSEC2019-2943
..., electron beam welding bead-on-plate of electrolytic pitched copper (ETP-Cu) plate was carried out to study the behavior of different defects formed in the weld by varying the beam oscillation amplitudes. The defects like spattering, spiking and porosity were considered in this study. Spattering and spiking...
Proceedings Papers

Proc. ASME. MSEC2019, Volume 2: Processes; Materials, V002T04A002, June 10–14, 2019
Paper No: MSEC2019-2752
... Abstract The hollow fiber membranes (HFMs) were widely used as tissue engineering scaffold. The efficacy of the HFMs were affected by the porosity of the HFMs. In this study, the HFMs were prepared with dry-jet wet spinning method. In order to improve the performance of the HFMs, different...
Proceedings Papers

Proc. ASME. MSEC2013, Volume 1: Processing, V001T01A026, June 10–14, 2013
Paper No: MSEC2013-1119
... 8630 cast steel pure bending fatigue weld repair porosity cast defects The objective of the this work is to study the effect of weld repair and macro-porosities on fatigue properties and fatigue life of AISI 8630 cast steel subjected to bending cyclic loads. Test specimens were cut...
Proceedings Papers

Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1, 365-371, October 4–7, 2009
Paper No: MSEC2009-84160
... Casting Dross Formation Hot Tearing Porosity Remelt Secondary Ingot Simulation In aluminum recycling about 4% on average is lost on oxidation and dross. However, large percent of remelt secondary ingots (RSI) produce much more dross after remelting. It is rather surprising that no...