Results 221 to 230 of about 10,910 (292)

Tailoring Microstructure and Hardness in Maraging 300 Steel via 2.4 wt.% Niobium Addition and Controlled Aging Treatments

open access: yessteel research international, EarlyView.
High Nb (2.4 wt.%) addition to Maraging 300 steel drives lattice distortion and nanoscale Nb–Mo‐rich precipitation, confirmed by energy‐dispersive X‐ray spectroscopy mapping (Mo ~5.4 wt.%, Nb ~2.5 wt.%). Nanoindentation reveals strong matrix hardening (H >4.8 GPa) at 480°C aging, while 560°C induces ~1.92 vol.% reverted austenite, enabling tunable ...
Laylla Sharon B. Peixoto   +9 more
wiley   +1 more source

Influence of Surface Roughness and Temperature on Niobium Cathodic Cage Duplex Treatment Applied to VP20TS Steel

open access: yessteel research international, EarlyView.
Niobium cathodic cage duplex treatment is applied to VP20TS steel to evaluate the influence of surface roughness and temperature on coating performance. Results show that higher temperatures promote thicker nitride layers and increased microhardness, while finer surface preparation enhances adhesion and wear resistance, revealing optimal conditions for
Alan Bruno Costa Cardoso   +6 more
wiley   +1 more source

When Time Stands Still: The Destructive Experience of Ambiguous Loss among Mothers of Combat Soldiers

open access: yesSymbolic Interaction, EarlyView.
What happens when stories refuse coherence? This article examines ambiguous loss among mothers of combat soldiers, focusing on how prolonged waiting and uncertainty infiltrate everyday life, eroding sensemaking. Drawing on ethnographic interviews, it explores how mothers experience the contraction of time and space—manifested in suspended routines ...
Shirly Bar‐Lev   +2 more
wiley   +1 more source

“Who Is Watching me?”: Recovering the Grammar of Stigma in Interaction

open access: yesSymbolic Interaction, EarlyView.
This article offers a praxeological respecification of stigma. I argue that the term “stigma” is a category term and glossing device, used to gather together and stand in for a diverse range of interactional experiences, including, but not limited to, degradation, discrediting, discrimination, marginalization, and being demeaned.
Phil Hutchinson
wiley   +1 more source

Enhancing General and Academic L2 Writing Complexity Through Dialogue Journal Writing: The Role of Learners' Motivational Beliefs

open access: yesTESOL Quarterly, EarlyView.
Abstract Writing is crucial in tertiary education, yet enhancing the complexity of academic writing presents significant challenges for second language (L2) learners. This study explores the potential of dialogue journal writing (DJW), an interactive and low‐stress classroom activity, to enhance writing complexity among novice L2 writers.
Barry Lee Reynolds   +2 more
wiley   +1 more source

Modeling the Paths from L2 Use and Socio‐Affective Variables to Communication Skills: A Mixed‐Methods Approach

open access: yesTESOL Quarterly, EarlyView.
Abstract Previous research demonstrated that communication anxiety reduces L2 learners' willingness to communicate and communication frequency, but left unexplored its impact on performance. The current mixed‐methods study investigated factors impacting L2 communication skills.
Debra M. Hardison
wiley   +1 more source

Metalinguistic Awareness in the EFL Classroom and Beyond: Exploring the Potential of Translation Tasks

open access: yesTESOL Quarterly, EarlyView.
Abstract Current trends encouraging a move away from monolingual teaching have sparked a renewed interest in the role of translation in language instruction. Yet, there are few theoretically and empirically grounded proposals regarding specific uses of translation in the language classroom.
Monika Bader   +2 more
wiley   +1 more source

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