Browsing by Author "Khan, Hamaid Mahmood"
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Corrosion of Additively Manufactured Metallic Components: A Review
Khan, Hamaid Mahmood; Özer,Gökhan; Yılmaz, Mustafa Safa; Koç, Ebubekir (King Fahd University of Petroleum & Minerals, 2021)The unique additive manufacturing (AM) attributes such as tool-less design, on-site fabrication, short production cycle, and complex structures fabrication can make AM market penetration deeper. The sustained improvements ... -
Double Stud Cargo Fitting Research, Alternative Cargo Clip Design and Analysis
Çalışkan, Cemal İrfan; Koç, Ebubekir; Khan, Hamaid Mahmood; Bulduk, Mustafa Enes (Embry-Riddle Aeronautical University, 2019)In air transportation, fixing the cargo inside the aircraft is important in terms of both flight safety and operational process. Positioning and fixing of the cargo to the aircraft within a short period of time without any ... -
Dry Sliding Wear Behavior of 316 L Stainless Steel Produced by Laser Powder Bed Fusion: A Comparative Study on Test Temperature
Khan, Hamaid Mahmood; Yılmaz, Mustafa Safa; Karabeyoğlu, Süreyya Sencer; Kisasoz, Alptekin; Özer, Gökhan (Elsevier, 2023)Laser powder bed fusion (LPBF) is becoming more popular and widely acceptable class of the additive manufacturing processes for metallic objects. The impact of test temperatures, sliding speed, and loading conditions on ... -
Effect of Aging and Finish Machining on the Surface Integrity of Selective Laser Melted Maraging Steel
Taşçıoğlu, Emre; Khan, Hamaid Mahmood; Kaynak, Yusuf; Coşkun, Mert; Tarakçı, Gürkan; Koç, Ebubekir (Emerald Publishing Limited, 2021)Purpose – The present study aims to investigate the effect of finish machining and aging processes on the surface integrity of the selective laser melted (SLM) maraging steel samples and compared them with those obtained ... -
Effect of Building Orientations and Heat Treatments on Alsi10mg Alloy Fabricated by Selective Laser Melting: Microstructure Evolution, Mechanical Properties, Fracture Mechanism and Corrosion Behavior
Tarakçı, Gürkan; Khan, Hamaid Mahmood; Yılmaz, Mustafa Safa; Özer, Gökhan (Emerald Publishing Limited, 2022)Purpose – The present paper aims to systematically investigate the influence of building orientations (0°, 15°, 30°, 45°, 60°, 75°) and heat treatment processes on the macro-/micro-structural, mechanical and electrochemical ... -
The Effect of Conformal Cooling Channels on Welding Process in Parts Produced by Additive Manufacturing, Laser Powder Bed Fusion
Çalışkan, Cemal İrfan; Khan, Hamaid Mahmood; Özer, Gökhan; Waqar, Saad; Tütük, İbrahim (Elsevier, 2022)Given the excellent performance in making lighter, customizable, strong, and aesthetically attractive components at a reduced time and cost, additive manufacturing (AM) presents an unparalleled approach to extending and ... -
Effect of Heat Treatments on the Microstructure and Wear Behaviour of A Selective Laser Melted Maraging Steel
Özer, Gökhan; Khan, Hamaid Mahmood; Tarakçı, Gürkan; Yılmaz, Mustafa Safa; Yaman, Paşa; Karabeyoğlu, Sencer Süreyya; Kısasöz, Alptekin (SAGE, 2022)This study applied classical and intercritical heat treatments to maraging steel (MS1) samples produced with standard additive manufacturing (AM) production parameters. The effects of heat treatment parameters on the ... -
Estimation of the Compression Strength and Surface Roughness of the As-Built SLS Components Using Weibull Distribution
Khan, Hamaid Mahmood; Tarakçı, Gürkan; Bulduk, Mustafa Enes; Koç, Ebubekir (Yıldız Teknik Üniversitesi, 2021)Selective laser sintering (SLS) is a process of fabrication of three-dimensional structures by fusing powder particles using a guided laser source. The uncertainty in the mechanical properties of the SLS parts fabricated ... -
Evolution of Temperature and Residual Stress Behavior in Selective Laser Melting of 316L Stainless Steel Across a Cooling Channel
Khan, Hamaid Mahmood; Waqar, Saad; Koç, Ebubekir (Emerald Publishing Limited, 2022)Purpose – The current investigation aims at observing the influence of the cooling channel on the thermal and residual stress behavior of the selective laser melting (SLM)316L uni-layer thermo-mechanical model. Design/ ... -
A Hybrid Feature Selection Approach Based on LSI for Classification of Urdu Text
Rasheed, Imran; Banka, Haider; Khan, Hamaid Mahmood (Springer, 2021)The feature selection method plays a crucial role in text classification to minimizing the dimensionality of the features and accelerating the learning process of the classifier. Text classification is the process of ... -
Improvement of Corrosion Resistance of Maraging Steel Manufactured by Selective Laser Melting Through Intercritical Heat Treatment
Khan, Hamaid Mahmood; Özer, Gökhan; Yılmaz, Mustafa Safa; Tarakçı, Gürkan (Natl Assoc Corrosion Eng, 2022)Selective laser melting allows the layerwise fabrication of bespoke designs, creating new prospects in applications and properties compared to conventional methods. Like other ultra-high-strength steels, maraging steels ... -
Influence of the Post-Processing Operations on Surface Integrity of Metal Components Produced by Laser Powder Bed Fusion Additive Manufacturing: a Review
Khan, Hamaid Mahmood; Karabulut, Yusuf; Kitay, Özhan; Kaynak, Yusuf; Jawahir, I. S. (Taylor & Francis Group, 2021)As industries are increasingly adopting the laser powder bed fusion (LPBF) additive manufacturing (AM) process, it is crucial to understand the process closely and to find ways to improve the final quality of the finished ... -
Infuence of Post‑processing on Additively Manufactured Lattice Structures
Majeed, Mobin; Khan, Hamaid Mahmood; Wheatley, Greg; Situ, Rong (Springer Science and Business Media Deutschland GmbH, 2022)The rapid evolution in additive manufacturing (AM) technology advocates a periodic assessment of the recent progress in the process and product developments. One such area is lattice structure (LS) fabrication with ... -
The Novel Hybrid Lattice Structure Approach Fabricated by Laser Powder Bed Fusion and Mechanical Properties Comparison
Khan, Hamaid Mahmood; Çalışkan, Cemal İrfan; Bulduk, Mustafa Enes (Mary Ann Liebert, 2022)Aluminum-based cellular structures are gaining a huge traction in several applications, including lightweight aircraft, military equipment, and heat exchangers. With additive manufacturing, the fabrication of complex periodic ... -
Numerical Investigation of Heat Current Study Across Different Platforms in SLM Processed Multi-Layer AlSi10Mg
Khan, Hamaid Mahmood; Dirikolu, M. Hüsnü; Koç, Ebubekir; Öter, Zafer Çağatay (Elsevier, 2018)Selective Laser Melting (SLM) of three dimensional multi-layer model is being numerically investigated using finite element method with academic ANSYS software. The temperature distribution and melt pool formation with ... -
Parameters Optimization for Horizontally Built Circular Profiles: Numerical and Experimental Investigation
Khan, Hamaid Mahmood; Dirikolu, M. Hüsnü; Koç, Ebubekir (Elsevier, 2018)Selective laser melting (SLM), a type of additive manufacturing (AM) process, is chosen for direct fabrication of powder-based functional metallic objects. The designing of small circular geometries or overhang surfaces ... -
Pseudo‑Relevance Feedback Based Query Expansion Using Boosting Algorithm
Rasheed, Imran; Banka, Haider; Khan, Hamaid Mahmood (Springer, 2021)Retrieving relevant documents from a large set using the original query is a formidable challenge. A generic approach to improve the retrieval process is realized using pseudo-relevance feedback techniques. This technique ... -
Support Optimization for Overhanging Parts in Direct Metal Laser Sintering
Öter, Zafer Çağatay; Çoşkun, Mert; Akça, Yaşar; Sürmen, Ömer; Yılmaz, Mustafa Safa; Özer, Gökhan; Tarakçı, Gürkan; Khan, Hamaid Mahmood; Koç, Ebubekir (Elsevier, 2019)The present work focuses mainly on the utilization of different support profiles for overhang structures in EOS M290 Direct Metal Laser Sintering (DMLS) machine. Maraging steel (MS1) parts with large overhangs were ... -
Unmanned Aerial Vehicle Production with Additive Manufacturing
Koç, Ebubekir; Çalışkan, Cemal İrfan; Coşkun, Mert; Khan, Hamaid Mahmood (Online, 2020)In this study, unmanned aerial vehicle (UAV) design, analysis and production was made using selective laser sintering (SLS) system. Four different aircraft bodies were designed in the interdisciplinary project, one of the ... -
Weibull Distribution of Selective Laser Melted AlSi10Mg Parts for Compression Testing
Khan, Hamaid Mahmood; Dirikoğlu, Mehmet Ümit; Koç, Ebubekir (Yıldız Teknik Üniversitesi, 2021)Selective laser melting (SLM) is an additive manufacturing process to fabricate three-dimensional structures by fusing powder particles using a computer-guided laser source. The SLM process can produce lightweight bespoke ...
