Satyam Suwas
Indian Institute of Science
Ultimate tensile strengthDeformation (engineering)Strain rateRecrystallization (metallurgy)Composite materialDynamic recrystallizationMetallurgyGrain sizeMaterials scienceDiffractionAlloyElectron backscatter diffractionTexture (crystalline)Grain boundarySlip (materials science)DuctilityCrystal twinningAnnealing (metallurgy)CrystallographyMicrostructure
415Publications
43H-index
6,591Citations
Publications 421
Newest
#1Sanyukta Ghosh (IISc: Indian Institute of Science)H-Index: 4
#2Sahil Tippireddy (IISc: Indian Institute of Science)H-Index: 3
Last. Ramesh Chandra Mallik (IISc: Indian Institute of Science)H-Index: 19
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Abstract Out of several methods, one of the most explored strategies to decrease the lattice thermal conductivity of Co4Sb12-based materials are either filling suitable electropositive elements into the voids or the formation of nanocomposites. These two approaches were combined in this work by filling Yb into the void of Co4Sb12 and preparing nanocomposites of Yb0.2Co4Sb12 and InSb according to the formula (InSb)x+Yb0.2Co4Sb12 (where x=0.1, 0.2, 0.3, 0.4), via ball-milling and spark plasma sint...
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#1R.J. Vikram (IISc: Indian Institute of Science)H-Index: 3
#2Lauri Kollo (Tallinn University of Technology)H-Index: 11
Last. Satyam Suwas (IISc: Indian Institute of Science)H-Index: 43
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The evolution of microstructure and texture during selective laser melting (SLM) of silver alloy—sterling silver 925 (AM Ag925) has been investigated and analyzed vis-a-vis cast sterling silver (AC Ag925). The microstructure of AM Ag925 was characterized by a single-phase silver-rich face-centered cubic solid solution with dendritic morphology, along with some locally distributed micro-segregated copper–germanium (Cu–Ge)-rich regions. Each adjacent dendritic feature consists of Ag–Cu-rich and Ag...
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#1Tushar Ramdas Dandekar (VRCE: Visvesvaraya National Institute of Technology)H-Index: 4
#2Rajesh K. Khatirkar (VRCE: Visvesvaraya National Institute of Technology)H-Index: 15
Last. Satyam Suwas (IISc: Indian Institute of Science)H-Index: 43
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Abstract null null In the present investigation, hot deformation behaviour of Fe–21Cr-1.5Ni–5Mn alloy was studied by performing isothermal unidirectional hot compression tests. The tests were carried out at strain rates of 0.01, 0.1, 1, 5 and 10 s−1 and at temperatures of 675, 750, 825, 900, 975 and 1050 °C. The samples were deformed up to 50% height reduction (e = 0.7). The flow softening behaviour was modelled using Arrhenius hyperbolic sine law approach. The predicted flow stresses and the ex...
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#2G. Dan Sathiaraj (TUD: Dresden University of Technology)H-Index: 2
#3Sumit Kumar (DMRL: Defence Metallurgical Research Laboratory)H-Index: 12
Abstract null null Equiatomic CrMnFeCoNi high-entropy alloy was cold- and hot-rolled (room temperature and 700 °C) to a thickness reduction of 90%. Subsequently, the rolled samples were annealed for 1 h at temperatures between 450 °C and 800 °C. The microstructure and texture of as-rolled and annealed samples were studied by scanning electron microscopy coupled with electron backscatter diffraction and energy-dispersive X-ray spectroscopy. The evolution of microstructure and texture has been fou...
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#1R.J. Vikram (IISc: Indian Institute of Science)H-Index: 3
#2Kushagra Gupta (IISc: Indian Institute of Science)
Last. Satyam Suwas (IISc: Indian Institute of Science)H-Index: 43
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Abstract Inspired by the outstanding properties of cobalt-base superalloys, an effort has been made to develop cobalt-base high entropy alloy for high temperature applications based on valance electron concentration (VEC). The newly developed cobalt-base high entropy alloy exhibited a two-phase microstructure with nano lamellar eutectic morphology. The constituent phases were identified as face centered cubic (FCC) and ordered cubic (B2) structure, which were validated through CAlculation of PHA...
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#1Rajib Kalsar (IISc: Indian Institute of Science)H-Index: 7
#2R. Madhavan (IISc: Indian Institute of Science)H-Index: 10
Last. Satyam Suwas (IISc: Indian Institute of Science)H-Index: 43
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#1Krishna Kamlesh Verma (IISc: Indian Institute of Science)H-Index: 1
#2S. Kumar (IISc: Indian Institute of Science)H-Index: 12
Last. Satyam Suwas (IISc: Indian Institute of Science)H-Index: 43
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Abstract null null The current focus of research in Mg alloys is to develop wrought Mg‒based alloys suitable for automotive applications. The challenges to be overcome are low strength, poor ductility, and high cost associated with Mg‒based alloys. With this objective, wrought Mg–7Sn–3Zn (TZ73) alloy has been developed in the present work, which does not contain expensive Rare‒Earth (RE) elements and has much higher strength than the most commonly used commercial AZ31 alloy. The alloy was produc...
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#1Deepak Kumar (IISc: Indian Institute of Science)H-Index: 43
#2Suyog JhavarH-Index: 6
Last. Satyam Suwas (IISc: Indian Institute of Science)H-Index: 43
view all 5 authors...
Additive manufacturing (AM) has emerged as an alternative tool to overcome the challenges in conventionally processed metallic components. It is gaining wide acceptability because of the superior properties of the manufactured components compared to their wrought processed counterparts. Among the available AM processed materials, austenitic stainless steel 316L is widely explored wherein an excellent strength-ductility trade-off has been reported. However, the mechanisms underlying fracture toug...
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Abstract null null Among the additive manufacturing processes, selective laser melting has gained wide popularity for manufacturing austenitic stainless steel (316L) due to the inherent advantages offered. The synergetic effect of non-equilibrium microstructure and crystallographic texture on mechanical properties has shown that its properties can be tuned by controlling scanning strategies such as interlayer hatch rotation, hatch strategies, etc. Recent studies have explored the mechanical prop...
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Abstract null null Surface severe plastic deformation (S2PD) of additively manufactured/three-dimensional (3D) printed metallic parts is gaining increased attention as a post-manufacturing operation to enhance the material performance in a wide variety of applications. Surface mechanical attrition treatment (SMAT) is an S2PD technique that can yield a nanostructured surface layer induced by compressive stresses and work hardening. In the present study, SMAT was performed on 316L (austenitic) sta...
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