Search Results - "Rajiv, S"

Design approaches for printability-performance synergy in Al alloys for laser-powder bed additive manufacturing by Mishra, Rajiv S., Thapliyal, Saket

“…The unprecedented increase in component design space has led to significant focus on fusion-based additive manufacturing (AM) technologies. The new design…”
Get full text

Contrasting mechanical behavior in precipitation hardenable AlXCoCrFeNi high entropy alloy microstructures: Single phase FCC vs. dual phase FCC-BCC by Gangireddy, Sindhura, Gwalani, Bharat, Soni, Vishal, Banerjee, Rajarshi, Mishra, Rajiv S.

“…AlxCoCrFeNi is a prominent high entropy alloy system with varying crystal structure from FCC to BCC depending on aluminum content. The mechanical behavior of…”
Get full text

High entropy alloys – Tunability of deformation mechanisms through integration of compositional and microstructural domains by Mishra, Rajiv S., Haridas, Ravi Sankar, Agrawal, Priyanshi

“…The paradigm shift of alloying approach that led to high entropy alloys (HEAs) is now well established. Although the initial years were dominated by equiatomic…”
Get full text

Excellent high cyclic fatigue properties of a novel ultrafine-grained medium entropy alloy by Shukla, Shivakant, Mishra, Rajiv S.

“…Fatigue is a major cause of failure and requires dedicated investigation to validate the integrity of potential structural materials. As high and medium…”
Get full text

Aging kinetics of friction stir welded Al-Cu-Li-Mg-Ag and Al-Cu-Li-Mg alloys by Sidhar, Harpreet, Mishra, Rajiv S.

“…Friction stir welding under ambient cooling conditions, using tool rotation rate of 800rpm and welding speed of 200mm per minute was carried out on 2195 and…”
Get full text

Influence of ordered L1 2 precipitation on strain-rate dependent mechanical behavior in a eutectic high entropy alloy by Gwalani, Bharat, Gangireddy, Sindhura, Zheng, Yufeng, Soni, Vishal, Mishra, Rajiv S, Banerjee, Rajarshi

“…Recent studies indicate that eutectic high-entropy alloys can simultaneously possess high strength and high ductility, which have potential industrial…”
Get full text

Grain size dependence of fatigue properties of friction stir processed ultrafine-grained Al-5024 alloy by Shukla, Shivakant, Komarasamy, Mageshwari, Mishra, Rajiv S.

“…[Display omitted] •Two different ultrafine grained (UFG) microstructure were obtained using friction stir welding.•Effect of grain size reduction within the…”
Get full text

Anomalies in the deformation mechanism and kinetics of coarse-grained high entropy alloy by Komarasamy, Mageshwari, Kumar, Nilesh, Mishra, Rajiv S., Liaw, Peter K.

“…Starting from the thermodynamics to thermal and mechanical properties, high entropy alloys (HEAs) always deviate from the behavior of conventional materials…”
Get full text

Grain size dependence of strain rate sensitivity in a single phase FCC high entropy alloy Al0.3CoCrFeNi by Gangireddy, Sindhura, Gwalani, Bharat, Mishra, Rajiv S.

“…High-entropy alloys (HEAs) can offer exceptional strain-rate sensitivity (SRS) due to high lattice-friction and strong solid-solution strengthening, and in…”
Get full text

High strain rate mechanical behavior of Ti-6Al-4V octet lattice structures additively manufactured by selective laser melting (SLM) by Gangireddy, Sindhura, Komarasamy, Mageshwari, Faierson, Eric J., Mishra, Rajiv S.

“…Dynamic mechanical response of additively manufactured 12 mm × 8 mm size octet lattice structures of Ti-6Al-4V was investigated. Cylindrical specimens composed…”
Get full text

Mechanisms of EGFR Resistance in Glioblastoma by Pan, Peter C, Magge, Rajiv S

“…Glioblastoma (GBM) is the most common primary malignant brain tumor in adults. Despite numerous efforts to target epidermal growth factor receptor (EGFR),…”
Get full text

Role of binder phase on the microstructure and mechanical properties of a mechanically alloyed and spark plasma sintered WC-FCC HEA composites by Yadav, Surekha, Zhang, Qiaofu, Behera, Amit, Haridas, Ravi Sankar, Agrawal, Priyanshi, Gong, Jiadong, Mishra, Rajiv S.

“…•ICME approach in combination with powder-metallurgy route is used for preparation of WC-CoCrFeNiMo HEA composite.•Effect of HEA binder phase on the mechanical…”
Get full text

Multiscale hierarchical and heterogeneous mechanical response of additively manufactured novel Al alloy investigated by high-resolution nanoindentation mapping by Dhal, Abhijeet, Thapliyal, Saket, Gaddam, Supreeth, Agrawal, Priyanka, Mishra, Rajiv S.

“…Smart alloying and microstructural engineering mitigate challenges associated with laser-powder bed fusion additive manufacturing (L-PBFAM). A novel…”
Get full text

Modifying transformation pathways in high entropy alloys or complex concentrated alloys via thermo-mechanical processing by Gwalani, Bharat, Gorsse, Stephane, Choudhuri, Deep, Styles, Mark, Zheng, Yufeng, Mishra, Rajiv S., Banerjee, Rajarshi

“…Often the experimentally-observed, single-phase high entropy alloy (HEA) is the result of second-phase precipitation constrained by thermodynamic and kinetic…”
Get full text

Defect-based probabilistic fatigue life estimation model for an additively manufactured aluminum alloy by Haridas, Ravi Sankar, Thapliyal, Saket, Agrawal, Priyanka, Mishra, Rajiv S.

“…A probabilistic model to estimate the fatigue life of an additively manufactured material with polished surface was developed based on the statistical size…”
Get full text

Friction stir processing of a metastable β titanium alloy in β and α+β phase fields by Balachandran, Shanoob, Mishra, Rajiv S., Banerjee, Dipankar

“…A metastable β titanium alloy Ti–5Al–5Mo–5V–3Cr (Ti-5553) was friction stir processed (FSP) in both the β and α+β phase fields. Homogenous microstructures were…”
Get full text

Keyword weight optimization using gradient strategies in event focused web crawling by Rajiv, S, Navaneethan, C

“…•A web crawling system for obtaining the set of web data regarding key events is essential.•This work has proposed a new and efficient method for such keyword…”
Get full text

Simultaneous enhancement of strength and ductility in an AlCoCrFeNi2.1 eutectic high-entropy alloy via friction stir processing by Wang, Tianhao, Komarasamy, Mageshwari, Shukla, Shivakant, Mishra, Rajiv S.

“…Lamellar eutectic structure of as-cast AlCoCrFeNi2.1 was tailored by friction stir processing (FSP). During FSP, lamellar B2 phase was broken into…”
Get full text

Effect of nano-sized precipitates on the fatigue property of a lamellar structured high entropy alloy by Liu, Kaimiao, Gwalani, Bharat, Komarasamy, Mageshwari, Shukla, Shivakant, Wang, Tianhao, Mishra, Rajiv S.

“…Fatigue damage is inevitable and destructive for in-service structural materials and hence warrants a detailed examination of the fatigue behavior of potential…”
Get full text

Deformation of lamellar FCC-B2 nanostructures containing Kurdjumov-Sachs interfaces: Relation between interfacial structure and plasticity by Choudhuri, Deep, Srinivasan, Srivilliputhur G., Mishra, Rajiv S.

“…Dual-phase lamellar microstructures containing alternating regions of plastically soft and hard phases are known to produce alloys with exceptional combination…”
Get full text