Guy Littlefair
YOU?
Author Swipe
View article: Tool Geometries and Design of Friction Stir Spot Welding (FSSW) Tools and Effect on Weld Properties—A Comprehensive Review
Tool Geometries and Design of Friction Stir Spot Welding (FSSW) Tools and Effect on Weld Properties—A Comprehensive Review Open
The incorporation of multi-material design (MMD) to achieve lightweight vehicles requires Friction Stir Spot Welding (FSSW) to join steel with aluminum, magnesium, or composites. This study investigates the mechanisms, challenges, and perf…
View article: Enhancing post machining surface finish of titanium alloy by cutting parameter optimization using ANOVA analysis
Enhancing post machining surface finish of titanium alloy by cutting parameter optimization using ANOVA analysis Open
Titanium alloys are categorised under difficult to machine materials. The machinability of titanium alloy, Ti6Al4V using statistical methods such as Analysis of Variance (ANOVA) is investigated in this paper. Ti6Al4V is the most widely use…
View article: Evaluating and comparing secondary machining characteristics of wrought and additive manufactured 316L stainless steel
Evaluating and comparing secondary machining characteristics of wrought and additive manufactured 316L stainless steel Open
This paper is based on evaluating, analysing and comparing the secondary machining characteristics of wrought and additive manufactured 316L Stainless Steel. This paper is an attempt to determine the process efficiency and evaluate the mac…
View article: Effect of transus based heat treatment on material characterisation of wrought and additive titanium alloy Ti-6Al-4V
Effect of transus based heat treatment on material characterisation of wrought and additive titanium alloy Ti-6Al-4V Open
Ti-6Al-4V is a popular titanium alloy that has been widely used in industries like biomedical, aerospace, and automotive. This is due to its superior mechanical properties such as high strength, corrosion resistance, toughness, and the hig…
View article: On the role of process parameters on meltpool temperature and tensile properties of stainless steel 316L produced by powder bed fusion
On the role of process parameters on meltpool temperature and tensile properties of stainless steel 316L produced by powder bed fusion Open
This research aims to identify how meltpool temperature is determined by process parameters in Laser-Based Powder Bed Fusion (LB-PBF) and the effect of meltpool temperature and heat treatment temperature on microstructure and tensile prope…
View article: Evaluation of a new Short-Project Based Learning (PBL) method in an engineering 1st year programme
Evaluation of a new Short-Project Based Learning (PBL) method in an engineering 1st year programme Open
Teaching approaches in engineering undergraduate programmes develop over time, to accommodate latest industry demands and technological needs, toincorporate new technologies in teaching and learning, or it adapts to become more relevant to…
View article: Methods and variables in Electrical discharge machining of titanium alloy – A review
Methods and variables in Electrical discharge machining of titanium alloy – A review Open
Titanium alloys are difficult to machine using conventional methods, therefore, nonconventional processes are often chosen in many applications. Electrical discharge machining (EDM) is one of those nonconventional processes that is used fr…
View article: Comparative Study of Machinability of Additive Manufactured and Wrought Titanium Alloy using Abrasive Waterjet Machining
Comparative Study of Machinability of Additive Manufactured and Wrought Titanium Alloy using Abrasive Waterjet Machining Open
Titanium alloys are popular and used in a wide range of design applications in aerospace and biomedical industry due to its advantageous material properties.This paper attempts to explore the hole making ability using abrasive waterjet mac…
View article: Evaluating Optimal Parameters for Machining Selective Laser Melting Titanium Alloy Using Wire Cut Electrical Discharge Machining
Evaluating Optimal Parameters for Machining Selective Laser Melting Titanium Alloy Using Wire Cut Electrical Discharge Machining Open
Titanium is known for its poor machinability characteristics due to its low thermal conductivity and high chemical reactivity. This article explores the machinability characteristics of selective laser melting (SLM) titanium alloy Ti-6Al-4…
View article: Heat Treatment Effect on the Fatigue Characteristics of Additive Manufactured Stainless Steel 316L
Heat Treatment Effect on the Fatigue Characteristics of Additive Manufactured Stainless Steel 316L Open
Stainless steel is an age old and popular alloy known for its high corrosion resistance. This paper is an attempt to explore ways to enhance the fatigue characteristics using heat treatment. The additive manufacturing technique used in thi…
View article: Controlling corrosion rate of Magnesium alloy using powder mixed electrical discharge machining
Controlling corrosion rate of Magnesium alloy using powder mixed electrical discharge machining Open
Biomedical implant can be divided into permanent and temporary employment. The duration of a temporary implant applied to children and adult is different due to different bone healing rate among the children and adult. Magnesium and its al…
View article: Milling of Nanoparticles Reinforced Al-Based Metal Matrix Composites
Milling of Nanoparticles Reinforced Al-Based Metal Matrix Composites Open
This study investigated the face milling of nanoparticles reinforced Al-based metal matrix composites (nano-MMCs) using a single insert milling tool. The effects of feed and speed on machined surfaces in terms of surface roughness, surface…
View article: Chip formation characteristics of selective laser melted Ti–6Al–4V
Chip formation characteristics of selective laser melted Ti–6Al–4V Open
In this research work, chip formation characteristics of selective laser-melted (SLM) Ti–6Al–4V in both ‘as built’ and ‘heat treated’ conditions are studied and compared with conventional wrought Ti–6Al–4V. Machined chips and partially def…
View article: Analysis of Thermal Stresses in Solidification of Spherical SLM Components
Analysis of Thermal Stresses in Solidification of Spherical SLM Components Open
The majority of these machines fabricate from raw material in powder form using a directed energy beam to create a local melt zone. Total hip replacement is recommended for people who have medical issues related to excessive wear of the ac…
View article: Analysis of Thermal Stresses in Solidification of Spherical SLM\n Components
Analysis of Thermal Stresses in Solidification of Spherical SLM\n Components Open
The majority of these machines fabricate from raw material in powder form\nusing a directed energy beam to create a local melt zone. Total hip replacement\nis recommended for people who have medical issues related to excessive wear of\nthe…
View article: Framework Guidelines for Students — Collaborative Learning in Distance Education
Framework Guidelines for Students — Collaborative Learning in Distance Education Open
This research study explores theoretical framework guidelines for students engaged in distance education through collaborative learning. Distance education has played an important role in the provision of educational equity for distance le…
View article: Influence Of Build Orientation On Machinability Of Selective Laser Melted Titanium Alloy-Ti-6Al-4V
Influence Of Build Orientation On Machinability Of Selective Laser Melted Titanium Alloy-Ti-6Al-4V Open
Selective laser melting (SLM), a promising additive manufacturing (AM) technology, has a huge potential in the fabrication of Ti-6Al-4V near-net shape components. However, poor surface finish of the components fabricated from this technolo…
View article: Stagnation zone during the turning of Duplex SAF 2205 stainless steels alloy
Stagnation zone during the turning of Duplex SAF 2205 stainless steels alloy Open
Duplex stainless alloys are extremely sensitive to cutting speed for strain hardening during machining. Tool wear for these materials is dominated by the adhesion wear because of formation of built-up edge (BUE) that upsurges the flank wea…
View article: Effect of Microstructure on Chip Formation during Machining of Super Austenitic Stainless Steel
Effect of Microstructure on Chip Formation during Machining of Super Austenitic Stainless Steel Open
The AL6XN Super Austenitic Stainless Steel alloy is a commonly used steel in corrosive environments and tough applications. This paper aims to investigate the execution of a machining process on the AL6XN alloy. A wet machining process has…
View article: Tool Wear Analysis due to Machining In Super Austenitic Stainless Steel
Tool Wear Analysis due to Machining In Super Austenitic Stainless Steel Open
\nThis paper presents tool wear study when a machinability test was applied using milling on Super Austenitic Stainless Steel AL6XN alloy. Eight milling trials were performed under two cutting speeds, 100 m/min and 150 m/min, combined with…
View article: Improving EDM Process on AZ31 Magnesium Alloy towards Sustainable Biodegradable Implant Manufacturing
Improving EDM Process on AZ31 Magnesium Alloy towards Sustainable Biodegradable Implant Manufacturing Open
The electrical discharge machining (EDM) process is an excellent method to machine with the high geometrical accuracy required for bio-medical implants. In implant fabrication, a higher surface roughness has led to a huge contact surface a…
View article: Cutting Force and Surface Finish Analysis of Machining Additive Manufactured Titanium Alloy Ti-6Al-4V
Cutting Force and Surface Finish Analysis of Machining Additive Manufactured Titanium Alloy Ti-6Al-4V Open
In this paper, the effect of machining parameters such as cutting speed and feed rate on cutting forces and surface roughness during turning of wrought and additive manufactured titanium alloys Ti-6Al-4V (selective laser melting) was studi…
View article: Impacts of Wear and Geometry Response of the Cutting Tool on Machinability of Super Austenitic Stainless Steel
Impacts of Wear and Geometry Response of the Cutting Tool on Machinability of Super Austenitic Stainless Steel Open
This paper presents a study of tool wear and geometry response when machinability tests were applied under milling operations on the Super Austenitic Stainless Steel alloy AL-6XN. Eight milling trials were executed under two cutting speeds…
View article: Metallurgical and Machinability Characteristics of Wrought and Selective Laser Melted Ti-6Al-4V
Metallurgical and Machinability Characteristics of Wrought and Selective Laser Melted Ti-6Al-4V Open
This research work presents a machinability study between wrought grade titanium and selective laser melted (SLM) titanium Ti-6Al-4V in a face turning operation, machined at cutting speeds between 60 and 180 m/min. Machinability characteri…
View article: Evaluating Student Perceptions in Peer to Peer Learning and Assessment Practices in Design Based Learning Environment
Evaluating Student Perceptions in Peer to Peer Learning and Assessment Practices in Design Based Learning Environment Open
Considering the past decade, the changes involved in learning and teaching have been in terms of strategies, methods and practices to learning and teaching; assessment method; interface between a teacher and student; communication and feed…