Priyanka Agrawal
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View article: Going Beyond Heuristics by Imposing Policy Improvement as a Constraint
Going Beyond Heuristics by Imposing Policy Improvement as a Constraint Open
In many reinforcement learning (RL) applications, augmenting the task rewards with heuristic rewards that encode human priors about how a task should be solved is crucial for achieving desirable performance. However, because such heuristic…
View article: Novel high specific-strength multi-topology Al-Ni-Ti-Zr-Mn alloy using laser powder bed fusion additive manufacturing
Novel high specific-strength multi-topology Al-Ni-Ti-Zr-Mn alloy using laser powder bed fusion additive manufacturing Open
Additive manufacturing has opened a paradigm for the efficient and quick production of lightweight lattice structures showing characteristic high specific strength (strength-to-weight ratios). The current study describes the development of…
View article: Influence of B4C alloying on the phase stability of Fe-Mn-Co-Cr-Si high entropy alloys fabricated using laser powder bed fusion
Influence of B4C alloying on the phase stability of Fe-Mn-Co-Cr-Si high entropy alloys fabricated using laser powder bed fusion Open
View article: Additive friction stir deposition of Fe-Cr-Ni transformative alloy
Additive friction stir deposition of Fe-Cr-Ni transformative alloy Open
View article: Effectiveness of interventions to prevent drowning among children under age 20 years: a global scoping review
Effectiveness of interventions to prevent drowning among children under age 20 years: a global scoping review Open
Background Drowning is a leading cause of death among young children. The United Nations Resolution on global drowning prevention (2021) and World Health Assembly Resolution in 2023 have drawn attention to the issue. This scoping review sy…
View article: Efficient Diffusion Transformer Policies with Mixture of Expert Denoisers for Multitask Learning
Efficient Diffusion Transformer Policies with Mixture of Expert Denoisers for Multitask Learning Open
Diffusion Policies have become widely used in Imitation Learning, offering several appealing properties, such as generating multimodal and discontinuous behavior. As models are becoming larger to capture more complex capabilities, their co…
View article: Advancements in nanocarbon-based catalysts for enhanced fuel cell performance: a comprehensive review
Advancements in nanocarbon-based catalysts for enhanced fuel cell performance: a comprehensive review Open
Fuel cells hold great promise as a clean energy technology, yet challenges such as material compatibility, manufacturing costs, and durability issues, particularly with noble metal-based electrocatalysts like platinum (Pt), hinder their wi…
View article: ORSO: Accelerating Reward Design via Online Reward Selection and Policy Optimization
ORSO: Accelerating Reward Design via Online Reward Selection and Policy Optimization Open
Reward shaping is critical in reinforcement learning (RL), particularly for complex tasks where sparse rewards can hinder learning. However, choosing effective shaping rewards from a set of reward functions in a computationally efficient m…
View article: Time-resolved evolution of the deformation mechanisms in a TRIP/TWIP Fe50Mn30Co10Cr10 high entropy during tensile loading probed with synchrotron X-ray diffraction
Time-resolved evolution of the deformation mechanisms in a TRIP/TWIP Fe50Mn30Co10Cr10 high entropy during tensile loading probed with synchrotron X-ray diffraction Open
This article focuses on analyzing the deformation mechanisms associated with tensile loading of the Fe50Mn30Co10Cr10 high entropy alloy (HEA) using synchrotron x-ray diffraction (SXRD). The authors investigate the activation of different s…
View article: Heterogenous phase evolution and mechanical response in additively manufactured low alloy martensitic steel processed via laser-directed energy deposition
Heterogenous phase evolution and mechanical response in additively manufactured low alloy martensitic steel processed via laser-directed energy deposition Open
This work investigates complex heterogeneity in microstructure and mechanical properties of a low alloy martensitic steel fabricated via laser-directed energy deposition (L-DED). A multi-scale characterization starting from macro-scale opt…
View article: Role of TiB2 inoculation particles during welding of a AlCoCrFeNi high entropy alloy
Role of TiB2 inoculation particles during welding of a AlCoCrFeNi high entropy alloy Open
This article states that high entropy alloys are a novel class of materials that represent an evolution of common engineering alloys to a wider array of compositional and properties possibilities. The exploration of methodologies to achiev…
View article: Irradiation-induced shift in the thermodynamic stability of phases and the self-healing effect in transformative high entropy alloys
Irradiation-induced shift in the thermodynamic stability of phases and the self-healing effect in transformative high entropy alloys Open
View article: Ion irradiation and examination of Additive friction stir deposited 316 stainless steel
Ion irradiation and examination of Additive friction stir deposited 316 stainless steel Open
This study explored solid-state additive friction stir deposition (AFSD) as a modular manufacturing technology, with the aim of enabling a more rapid and streamlined on-site fabrication process for large meter-scale nuclear structural comp…
View article: Novel SolidStir extrusion technology for enhanced conductivity cable manufacturing via in-situ exfoliation of graphite to graphene
Novel SolidStir extrusion technology for enhanced conductivity cable manufacturing via in-situ exfoliation of graphite to graphene Open
Electrification is a path towards decarbonization. Identification of novel nanocarbon materials such as graphene or carbon nanotubes (CNTs) offers great potential as a reinforcement material in metal matrix composites (MMCs) due to their s…
View article: 𝜇PLAN: Summarizing using a Content Plan as Cross-Lingual Bridge
𝜇PLAN: Summarizing using a Content Plan as Cross-Lingual Bridge Open
View article: Multimodal and multiscale strengthening mechanisms in Al-Ni-Zr-Ti-Mn alloy processed by laser powder bed fusion additive manufacturing
Multimodal and multiscale strengthening mechanisms in Al-Ni-Zr-Ti-Mn alloy processed by laser powder bed fusion additive manufacturing Open
Article describes how the unique thermokinetics of laser-powder bed fusion additive manufacturing has been exploited for development of a novel high strength Al-Ni-Ti-Zr-Mn alloy. The authors say that the addition of 0.5 wt% Mn leads to ex…
View article: Strength-conductivity synergy via lean alloy design: A study on novel solid stir extrusion of an Al-2Cu-0.1 Nb-0.15Zr (∼wt.%) alloy
Strength-conductivity synergy via lean alloy design: A study on novel solid stir extrusion of an Al-2Cu-0.1 Nb-0.15Zr (∼wt.%) alloy Open
View article: Language and Task Arithmetic with Parameter-Efficient Layers for Zero-Shot Summarization
Language and Task Arithmetic with Parameter-Efficient Layers for Zero-Shot Summarization Open
Parameter-efficient fine-tuning (PEFT) using labeled task data can significantly improve the performance of large language models (LLMs) on the downstream task. However, there are 7000 languages in the world and many of these languages lac…
View article: Benchmarking Large Language Model Capabilities for Conditional Generation
Benchmarking Large Language Model Capabilities for Conditional Generation Open
Pre-trained large language models (PLMs) underlie most new developments in natural language processing. They have shifted the field from application-specific model pipelines to a single model that is adapted to a wide range of tasks. Autor…
View article: Evolution of microstructure and mechanical properties in gas tungsten arc welded dual-phase Fe50Mn30Co10Cr10 high entropy alloy
Evolution of microstructure and mechanical properties in gas tungsten arc welded dual-phase Fe50Mn30Co10Cr10 high entropy alloy Open
Funding Information:\nJGL, JS and JPO acknowledge Fundação para a Ciência e a Tecnologia ( FCT - MCTES ) for its financial support via the project UID/00667/2020 (UNIDEMI). \nJS acknowledges the China Scholarship Council for funding the Ph…
View article: $μ$PLAN: Summarizing using a Content Plan as Cross-Lingual Bridge
$μ$PLAN: Summarizing using a Content Plan as Cross-Lingual Bridge Open
Cross-lingual summarization consists of generating a summary in one language given an input document in a different language, allowing for the dissemination of relevant content across speakers of other languages. The task is challenging ma…
View article: Mapping hierarchical and heterogeneous micromechanics of a transformative high entropy alloy by nanoindentation and machine learning augmented clustering
Mapping hierarchical and heterogeneous micromechanics of a transformative high entropy alloy by nanoindentation and machine learning augmented clustering Open
Article describes how conventional macromechanical tests provide limited insights into complex hierarchical deformation behavior of a transformative high entropy alloy (HEA). In this work, a high throughput microstructure-micromechanical c…
View article: Additive manufacturing of a metastable high entropy alloy: Metastability engineered microstructural control via process variable driven elemental segregation
Additive manufacturing of a metastable high entropy alloy: Metastability engineered microstructural control via process variable driven elemental segregation Open
View article: High-Throughput Investigation of Multiscale Deformation Mechanism in Additively Manufactured Ni Superalloy
High-Throughput Investigation of Multiscale Deformation Mechanism in Additively Manufactured Ni Superalloy Open
In this paper, Inconel 718 (IN718) superalloy was processed by laser powder-bed fusion additive manufacturing (L-PBFAM), followed by heat treatment. High-resolution nanoindentation was used to investigate the complex deformation mechanisms…
View article: Microstructure evolution and mechanical properties in a gas tungsten arc welded Fe42Mn28Co10Cr15Si5 metastable high entropy alloy
Microstructure evolution and mechanical properties in a gas tungsten arc welded Fe42Mn28Co10Cr15Si5 metastable high entropy alloy Open
Article asserts that weldability studies on high entropy alloys are still relatively scarce, delaying the deployment of these materials into real-life applications, thus, there is an urgent need for in-depth studies of the weldability of t…
View article: Benchmarking Large Language Model Capabilities for Conditional Generation
Benchmarking Large Language Model Capabilities for Conditional Generation Open
Pre-trained large language models (PLMs) underly most new developments in natural language processing. They have shifted the field from application-specific model pipelines to a single model that is adapted to a wide range of tasks. Autore…
View article: <scp>QAmeleon</scp>: Multilingual QA with Only 5 Examples
<span>QAmeleon</span>: Multilingual QA with Only 5 Examples Open
The availability of large, high-quality datasets has been a major driver of recent progress in question answering (QA). Such annotated datasets, however, are difficult and costly to collect, and rarely exist in languages other than English…
View article: Synergy of tensile strength and high cycle fatigue properties in a novel additively manufactured Al-Ni-Ti-Zr alloy with a heterogeneous microstructure
Synergy of tensile strength and high cycle fatigue properties in a novel additively manufactured Al-Ni-Ti-Zr alloy with a heterogeneous microstructure Open
View article: Irradiation response of innovatively engineered metastable TRIP high entropy alloy
Irradiation response of innovatively engineered metastable TRIP high entropy alloy Open
View article: Abstract 44
Abstract 44 Open
Introduction The Marine-Lenhart Syndrome (MLS) is a very rare condition in which patient has Graves’ disease (GD) along with autonomic functioning thyroid nodules. GD can have hepatic dysfunction either due to autoimmune etiology, hepatic …