Search Results - "RAFI, H"

Microstructures and Mechanical Properties of Ti6Al4V Parts Fabricated by Selective Laser Melting and Electron Beam Melting by Rafi, H. K., Karthik, N. V., Gong, Haijun, Starr, Thomas L., Stucker, Brent E.

“…This work compares two metal additive manufacturing processes, selective laser melting (SLM) and electron beam melting (EBM), based on microstructural and…”
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A comparison of the tensile, fatigue, and fracture behavior of Ti–6Al–4V and 15-5 PH stainless steel parts made by selective laser melting by Rafi, H. Khalid, Starr, Thomas L., Stucker, Brent E.

“…In this work, Ti–6Al–4V and 15-5 PH steel samples were fabricated using selective laser melting (SLM) and their tensile, fatigue, and fracture properties were…”
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Microstructure and Mechanical Behavior of 17-4 Precipitation Hardenable Steel Processed by Selective Laser Melting by Rafi, H. Khalid, Pal, Deepankar, Patil, Nachiket, Starr, Thomas L., Stucker, Brent E.

“…The mechanical behavior and the microstructural evolution of 17-4 precipitation hardenable (PH) stainless steel processed using selective laser melting have…”
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Thermal Profiling Using Infrared Thermography in Friction Surfacing by Khalid Rafi, H., Balasubramaniam, Krishnan, Phanikumar, G., Prasad Rao, K.

“…Infrared (IR) thermography was used to measure thermal profiles in the coating, consumable rod, and substrate during friction surfacing. A sudden raise…”
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Determination and benchmarking of 27Al(d,α) and 27Al(d,p) reaction cross sections for energies and angles relevant to NRA by Salimi, M., Kakuee, O., Masoudi, S. F., Rafi-kheiri, H., Briand, E., Ganem, J.-J., Vickridge, I.

“…The cross-sections of deuteron-induced nuclear reactions suitable for ion beam analysis, measured in different laboratories, are often significantly different…”
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Improving Strength of Stainless Steel/Aluminum Alloy Friction Welds by Modifying Faying Surface Design by Ashfaq, M., Sajja, Nagarjuna, Khalid Rafi, H., Prasad Rao, K.

“…Conventionally in friction welding, the rubbing or faying ends of the base material rods are square turned. For the case of dissimilar friction welding, this…”
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Friction surfaced tool steel (H13) coatings on low carbon steel: A study on the effects of process parameters on coating characteristics and integrity by Rafi, H. Khalid, Ram, G.D. Janaki, Phanikumar, G., Rao, K. Prasad

“…Tool steel H13 was friction surfaced on low carbon steel substrates. Mechtrode (consumable rod) rotational speed and substrate traverse speed were varied,…”
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Material Flow Visualization during Friction Surfacing by Khalid Rafi, H., Phanikumar, G., Prasad Rao, K.

“…Metal flow behavior within friction surfaced coating was studied using tungsten powder as a marker. The results show that the top and bottom layers within the…”
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Microstructural Evolution During Friction Surfacing of Austenitic Stainless Steel AISI 304 on Low Carbon Steel by Khalid Rafi, H., Kishore Babu, N., Phanikumar, G., Prasad Rao, K.

“…Austenitic stainless steel AISI 304 coating was deposited over low carbon steel substrate by means of friction surfacing and the microstructural evolution was…”
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Friction surfacing on nonferrous substrates: a feasibility study by Rao, K. Prasad, Sankar, Arun, Rafi, H. Khalid, Ram, G. D. Janaki, Reddy, G. Madhusudhan

“…This work reports a feasibility study on producing friction surfaced coatings on nonferrous substrates. Commercially pure aluminum, copper, magnesium (ZM21),…”
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Tool steel and copper coatings by friction surfacing – A thermography study by Prasad Rao, K., Veera Sreenu, A., Khalid Rafi, H., Libin, M.N., Balasubramaniam, Krishnan

“…Infrared thermography was used to record thermal profiles during friction surfacing. Thermal profiles for different sets of consumable rod/substrates (tool…”
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Corrosion Resistance of Friction Surfaced AISI 304 Stainless Steel Coatings by Khalid Rafi, H., Phanikumar, G., Prasad Rao, K.

“…Corrosion resistance of friction surfaced AISI 304 coating in boiling nitric acid and chloride containing environments was found to be similar to that of its…”
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Characterization of D2 tool steel friction surfaced coatings over low carbon steel by Sekharbabu, R., Rafi, H. Khalid, Rao, K. Prasad

“…•Solid state coating by friction surfacing method.•D2 tool steel is coated over relatively softer low carbon steel.•Defect free interface between tool steel…”
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Friction surfaced Stellite6 coatings by Rao, K. Prasad, Damodaram, R., Rafi, H. Khalid, Ram, G.D. Janaki, Reddy, G. Madhusudhan, Nagalakshmi, R.

“…Solid state Stellite6 coatings were deposited on steel substrate by friction surfacing and compared with Stellite6 cast rod and coatings deposited by gas…”
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A new additive manufacturing process based on friction deposition by John Samuel Dilip, J., Kalid Rafi, H., Janaki Ram, G. D.

“…Additive manufacturing involves layer-by-layer fabrication of three-dimensional parts under computer control. The current study demonstrates a novel concept…”
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Positron Annihilation Spectroscopy of KCl (Zn) crystals by Biganeh, A., Kakuee, O., Rafi-Kheiri, H.

“…Four samples of nominally pure KCl crystals and doped with Zn2+ impurities are grown by the Czochralski method and characterized by X-ray diffraction and…”
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Positron Annihilation Lifetime and Doppler Broadening Spectroscopy of polymers by Biganeh, A., Kakuee, O., Rafi-Kheiri, H., Lamehi-Rachti, M., Sheikh, N., Yahaghi, E.

“…Positron Annihilation Lifetime and Doppler Broadening spectroscopy of positron annihilation radiation are performed in four different polymers. The size of…”
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Oxidation of Additively Manufactured ZrB2–SiC in Air and in CO2 at 700–1000 °C by Lakusta Marharyta, Timme, Nicholas M, Rafi, Abid H, Watts, Jeremy L, Leu, Ming C, Hilmas, Gregory E, Fahrenholtz, William G, Lipke, David W

“…Oxidation behavior of additively manufactured ZrB2–SiC in air and in CO2 is reported in the temperature range of 700–1000 °C. Observed scale morphologies in…”
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Behavioural and psychological symptoms of Alzheimer type dementia are not correlated with plasma homocysteine concentration by Tabet, N, Rafi, H, Weaving, G, Lyons, B, Iversen, S A

“…Vitamin B12 and folate deficiencies have been associated with cognitive impairment and various psychiatric symptoms but not specifically with behavioural and…”
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Calcineurin activity as a functional index of immunosuppression after allogeneic stem-cell transplantation by SANQUER, S, SCHWARZINGER, M, MAURY, S, YAKDUBEN, K, RAFI, H, PAUTAS, C, KUENTZ, M, BARDUKI, R, CORDONNIER, C

“…The authors have previously shown that mononuclear cells derived from patients with resistant chronic graft-versus-host-disease (GVHD) express high calcineurin…”
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