Search Results - "Mumtaz, Kamran"

Effect of scanning strategies on residual stress and mechanical properties of Selective Laser Melted Ti6Al4V by Ali, Haider, Ghadbeigi, Hassan, Mumtaz, Kamran

“…During the Selective Laser Melting (SLM) process large temperature gradients can form, generating a mismatch in elastic deformation that can lead to high…”
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In-situ residual stress reduction, martensitic decomposition and mechanical properties enhancement through high temperature powder bed pre-heating of Selective Laser Melted Ti6Al4V by Ali, Haider, Ma, Le, Ghadbeigi, Hassan, Mumtaz, Kamran

“…During the Selective Laser Melting (SLM) process large temperature gradients can form, generating a mismatch in elastic deformation that can lead to high…”
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Reduction of micro-cracking in nickel superalloys processed by Selective Laser Melting: A fundamental alloy design approach by Harrison, Neil J., Todd, Iain, Mumtaz, Kamran

“…The Selective Laser Melting (SLM) process generates large thermal gradients during rapid melting of metallic powdered feedstock. During solidification certain…”
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Residual stress development in selective laser-melted Ti6Al4V: a parametric thermal modelling approach by Ali, Haider, Ghadbeigi, Hassan, Mumtaz, Kamran

“…High cooling rates within the selective laser melting (SLM) process can generate large residual stresses within fabricated components. Understanding residual…”
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Top surface and side roughness of Inconel 625 parts processed using selective laser melting by Mumtaz, Kamran, Hopkinson, Neil

“…Purpose - Obtaining the required part top surface roughness and side roughness is critical in some applications. Each of these part properties can often be…”
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Two-dimensional simulation of grain structure growth within selective laser melted AA-2024 by Lopez-Botello, Omar, Martinez-Hernandez, Uriel, Ramírez, José, Pinna, Christophe, Mumtaz, Kamran

“…A two-dimensional Cellular Automata (CA) – Finite Element (FE) (CA-FE) coupled model has been developed to predict the microstructures formed during the laser…”
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Diode area melting of Ti6Al4V using 808 nm laser sources and variable multi-beam profiles by Alsaddah, Mohammed, Khan, Ashfaq, Groom, Kristian, Mumtaz, Kamran

“…[Display omitted] •Multi-laser approach with potential to overcome traditional laser powder bed fusion processing challenges (e.g scalability, processing…”
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In situ alloying of elemental Al-Cu12 feedstock using selective laser melting by Martinez, Rafael, Todd, Iain, Mumtaz, Kamran

“…This investigation developed selective laser melting (SLM) processing parameters for the in situ fabrication of an Al-Cu12 alloy from pure elemental blends of…”
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Use of 450-808 nm diode lasers for efficient energy absorption during powder bed fusion of Ti6Al4V by Alsaddah, Mohammed, Khan, Ashfaq, Groom, Kristian, Mumtaz, Kamran

“…The additive manufacturing process selective laser melting (SLM) uses a powder bed fusion approach to fully melt layers of powdered metal and create 3D…”
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AlSi12 in-situ alloy formation and residual stress reduction using anchorless selective laser melting by Vora, Pratik, Mumtaz, Kamran, Todd, Iain, Hopkinson, Neil

“…Rapid melt pool formation and solidification during the metal powder bed process Selective Laser Melting (SLM) generates large thermal gradients that can in…”
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Selective laser melting of Inconel 625 using pulse shaping by Mumtaz, Kamran, Hopkinson, Neil

“…Purpose - The purpose of this paper is to investigate the selective laser melting (SLM) of Inconel 625 using pulse shape control to vary the energy…”
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Laser diode area melting for high speed additive manufacturing of metallic components by Zavala-Arredondo, Miguel, Boone, Nicholas, Willmott, Jon, Childs, David T.D., Ivanov, Pavlo, Groom, Kristian M., Mumtaz, Kamran

“…Additive manufacturing processes have been developed to a stage where they can now be routinely used to manufacture net-shape high-value components. Selective…”
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Diode area melting single-layer parametric analysis of 316L stainless steel powder by Zavala-Arredondo, Miguel, Groom, Kristian M., Mumtaz, Kamran

“…Diode area melting (DAM) is a novel additive manufacturing process that utilises customised architectural arrays of low power laser diode emitters for high…”
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Investigating the melt pool properties and thermal effects of multi-laser diode area melting by Zavala-Arredondo, Miguel, Ali, Haider, Groom, Kristian M., Mumtaz, Kamran

“…Diode area melting (DAM) is a new additive manufacturing process that utilises customised architectural arrays of low-power laser diode emitters for high-speed…”
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Effect of pre-emptive in situ parameter modification on residual stress distributions within selective laser-melted Ti6Al4V components by Ali, Haider, Ghadbeigi, Hassan, Hosseinzadeh, Foroogh, Oliveira, Jeferson, Mumtaz, Kamran

“…The effect of thermally induced residual stresses is not dynamically considered during a selective laser melting (SLM) build; instead, it processes using…”
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Laser melting functionally graded composition of Waspaloy® and Zirconia powders by Mumtaz, Kamran Aamir, Hopkinson, Neil

“…An approach for fabricating functionally graded specimens of supernickel alloy and ceramic compositions via Selective Laser Melting (SLM) is presented. The…”
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High density selective laser melting of Waspaloy by Mumtaz, Kamran Aamir, Erasenthiran, Poonjolai, Hopkinson, Neil

“…In this work, high density Waspaloy® specimens were produced using selective laser melting (SLM). SLM of Waspaloy® powder was performed using a high power…”
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Integrated Fabrication of Novel Inkjet-Printed Silver Nanoparticle Sensors on Carbon Fiber Reinforced Nylon Composites by Karaş, Büşra, Beedasy, Vimanyu, Leong, Zhaoyuan, Morley, Nicola A., Mumtaz, Kamran, Smith, Patrick J.

“…Inkjet-printing technology enables the contactless deposition of functional materials such as conductive inks on surfaces, hence reducing contamination and the…”
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In-Built Customised Mechanical Failure of 316L Components Fabricated Using Selective Laser Melting by Ilie, Andrei, Ali, Haider, Mumtaz, Kamran

“…The layer-by-layer building methodology used within the powder bed process of Selective Laser Melting facilitates control over the degree of melting achieved…”
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Processing Parameter Effects on Residual Stress and Mechanical Properties of Selective Laser Melted Ti6Al4V by Ali, Haider, Ghadbeigi, Hassan, Mumtaz, Kamran

“…Selective laser melting (SLM) process is characterized by large temperature gradients resulting in high levels of residual stress within the additively…”
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