Search Results - "Kamat, S. V."

Dynamic strain ageing in Ni-base superalloy 720Li by Gopinath, K., Gogia, A.K., Kamat, S.V., Ramamurty, U.

“…An experimental investigation into the dynamic strain ageing (DSA) of a wrought Ni-base superalloy 720Li was conducted. Characteristics of jerky flow have been…”
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Micromechanisms of fracture and strengthening in free-standing Pt-aluminide bond coats under tensile loading by Alam, Md. Zafir, Kamat, S.V., Jayaram, V., Das, D.K.

“…Free-standing Pt-aluminide (PtAl) bond coats exhibit a linear stress–strain response under tensile loading and undergo brittle cleavage fracture at…”
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Effect of boron on microstructure and mechanical properties of thermomechanically processed near alpha titanium alloy Ti-1100 by Chandravanshi, V.K., Sarkar, R., Kamat, S.V., Nandy, T.K.

“…► No improvement in mechanical properties were found on addition of 0.2 wt.% boron in Ti-1100 alloy in the as cast condition even though there was significant…”
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The effect of strain rate on trigger stress for stress-induced martensitic transformation and yield strength in Ti–18Al–8Nb alloy by Paradkar, Archana, Kamat, S.V.

“…The effect of strain rate on trigger stress for stress-induced martensitic transformation (SIMT) and yield strength in Ti–18Al–8Nb alloy was investigated in…”
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Coercivity enhancement in Mn-Al-Cu flakes produced by surfactant-assisted milling by Saravanan, P., Hsu, Jen-Hwa, Vinod, V. T. P., Černík, Miroslav, Kamat, S. V.

“…We herein report the achievement of exceptionally high coercivity (Hc) values: 9.92 and 5.86 kOe at 5 and 300 K, respectively, for Mn55Al43Cu2 flakes produced…”
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Low cycle fatigue behaviour of a low interstitial Ni-base superalloy by Gopinath, K., Gogia, A.K., Kamat, S.V., Balamuralikrishnan, R., Ramamurty, U.

“…The low cycle fatigue behaviour of precipitation strengthened nickel-base superalloy 720Li containing a low concentration of interstitial carbon and boron was…”
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Effect of sputtering pressure and power on composition, surface roughness, microstructure and magnetic properties of as-deposited Co2FeSi thin films by Srinivas, K., Manivel Raja, M., Sridhara Rao, D.V., Kamat, S.V.

“…The effect of sputtering pressure and power on the composition, surface roughness, structure, microstructure and magnetic properties of full Heusler type…”
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Density functional study of half-metallic property on B2 disordered Co2FeSi by Mohankumar, R., Ramasubramanian, S., Rajagopalan, M., Manivel Raja, M., Kamat, S. V., Kumar, J.

“…First principle calculations on the magnetic properties and spin polarization of the B2 disordered Co 2 FeSi full Heusler alloy have been carried out along…”
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The influence of addition of nanosized molybdenum and nickel particles on creep behavior of Sn–Ag lead free solder alloy by Niranjani, V.L., Chandra Rao, B.S.S., Sarkar, Rajdeep, Kamat, S.V.

“…► Sn–3.5Ag (SA) alloy & SA with nano sized Mo and Ni at three different wt.% was investigated. ► Creep behaviour was investigated using a constant load method…”
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Influence of temperature and strain rate on tensile properties of single walled carbon nanotubes reinforced Sn–Ag–Cu lead free solder alloy composites by Niranjani, V.L., Rao, B.S.S. Chandra, Singh, Vajinder, Kamat, S.V.

“…► SAC387 alloy and SAC387 alloy with two different wt.% of SWCNT were investigated. ► The addition of 0.5 wt.% of SWCNT was found to be beneficial for…”
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Effects of Thermomechanical Processing and Heat Treatment on the Tensile and Creep Properties of Boron-Modified Near Alpha Titanium Alloy Ti-1100 by Chandravanshi, Vivek, Sarkar, R., Kamat, S. V., Nandy, T. K.

“…Tensile properties of boron-modified near alpha titanium alloy were evaluated in α-β- and β-processed conditions after heat treatments at different solution…”
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Granular films of Fe/Sm–Co magnetic nanocomposites through spin-assisted layer-by-layer deposition by Saravanan, P., Hsu, Jen-Hwa, Kamat, S. V.

“…Films of Fe/Sm–Co magnetic nanocomposites were successfully synthesized by means of spin-assisted layer-by-layer deposition. The Fe-layer thickness was varied…”
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Evaluation of ductile–brittle transition temperature (DBTT) of aluminide bond coats by micro-tensile test method by Alam, Md. Zafir, Chatterjee, D., Kamat, S.V., Jayaram, V., Das, D.K.

“…A method has been suggested to accurately determine the DBTT of diffusion aluminide bond coats. Micro-tensile testing of free-standing coating samples has been…”
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Tensile and creep properties of thermomechanically processed boron modified Timetal 834 titanium alloy by Prasad, Kartik, Sarkar, Rajdeep, Ghosal, P., Satyanarayana, D.V.V., Kamat, S.V., Nandy, T.K.

“…► 0.2 wt.% boron refines the as-cast microstructure of Timetal 834 alloy. ► The boron addition leads to an improvement in strength (0.2% YS and UTS). ► The B…”
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Influence of β grain size on tensile behavior and ductile fracture toughness of titanium alloy Ti-10V-2Fe-3Al by BHATTACHARJEE, A, VARMA, V. K, KAMAT, S. V, GOGIA, A. K, BHARGAVA, S

“…The beta grain size of the alloy Ti-10V-2Fe-3Al was varied by heat treatment, and the tensile behavior and fracture toughness were evaluated as a function of…”
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Fracture toughness and low cycle fatigue behaviour in boron modified Timetal 834 titanium alloy by Prasad, Kartik, Sarkar, Rajdeep, Kamat, S.V., Nandy, T.K.

“…► B modified Timetal 834 alloy showed lower fracture toughness than base alloy. ► B modified Timetal 834 alloy showed nearly same LCF life as base alloy. ►…”
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Dynamic fracture toughness of a near alpha titanium alloy Timetal 834 by Prasad, Kartik, Kamat, S.V.

“…The dynamic fracture toughness of Timetal 834 alloy under impact loading was evaluated using fatigue pre-cracked specimens and compared with the fracture…”
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Annealing induced compositional changes in SmCo5/Fe/SmCo5 exchange spring trilayers and its impact on magnetic properties by Saravanan, P., Hsu, Jen-Hwa, Reddy, G.L.N., Kumar, Sanjiv, Kamat, S.V.

“…•SmCo5 (25nm)/Fe (8nm)/SmCo5 (25nm) trilayers were grown by sputtering.•Effect of annealing on the interphase chemistry was investigated using RBS.•Optimal…”
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Tensile Properties of Ni-Based Superalloy 720Li: Temperature and Strain Rate Effects by Gopinath, K., Gogia, A.K., Kamat, S.V., Balamuralikrishnan, R., Ramamurty, U.

“…Tensile properties, deformation, and fracture behavior of a wrought nickel-base superalloy 720Li have been studied in standard solutionized and two-stage-aged…”
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Tensile behaviour of boron modified Timetal 834 titanium alloy in the intermediate temperature range 400–500 °C by Prasad, Kartik, Sarkar, Rajdeep, Kamat, S.V., Nandy, T.K.

“…► Boron modified Timetal 834 titanium alloy shows higher strength than base alloy. ► Both the alloys show dynamic strain aging in the temperature range 400–475…”
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