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Article
The Growth of {1 1 h}〈1 2 1/h〉 (α*-Fiber) Grains and the Evanesce of {001}〈100〉 (Cube) Grains During the Recrystallization of Warm Rolled Fe-6.5 Wt Pct Si Non-oriented Electrical Steel
〈001〉//ND (normal direction) texture (including the cube, {001}〈100〉) is a desired final texture in non-oriented electrical steel (NOES) due to the alignment of two magnetically easy 〈100〉 axes in the magnetiz...
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Article
Study on Fatigue Performance of Three-Roll Skew Rolling Hollow Axle
To explore and predict the fatigue performance of three-roll skew rolling (TRSR) hollow axle, a combination of experimental and numerical simulation methods was used to carry out research. First, the heat trea...
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Article
Optimization of porthole extrusion die for 6063 aluminum alloy profile with thin-walled multi-cavity complex section and analysis of profile performance
In the porthole extrusion of complex profiles, the die structure plays a significant role in the formability of the profile. In this study, numerical simulation was conducted to optimize the porthole extrusion...
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Article
Open AccessInvestigation on sleep quality and psychological distress in patients with pulmonary nodules
Patients with pulmonary nodules (PNs) often suffer from the psychological burden of their disease and trap in sleep problems. This is insufficiently identified and addressed in clinical practice. The aim of th...
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Article
Study on forming quality of three-roll skew rolling hollow axle
To optimize the wall thickness quality of three-roll skew rolling (TRSR) hollow axle, this paper explores the wall thickness quality from the perspective of forming mechanism and test design analysis. First, t...
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Article
Open AccessGeneralized anxiety disorder among rural primary and middle school students during the outbreak of COVID-19: a multicenter study in three southern Chinese cities
The major public health crisis caused by the rapid spread of the coronavirus disease 2019 (COVID-19) and the large-scale public health measures such as social isolation and school closures enforced by some cou...
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Article
Open AccessThe ASK-SEAT: a competency-based assessment scale for students majoring in clinical medicine
To validate a competency-based assessment scale for students majoring in clinical medicine, ASK-SEAT. Students’ competency growth across grade years was also examined for trends and gaps.
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Article
Tracing the recrystallization of warm temper-rolled Fe–6.5 wt% Si non-oriented electrical steel using a quasi in situ EBSD technique
Fe–6.5 wt% Si non-oriented electrical steel is an excellent soft magnetic material due to the low core losses at high frequencies and near-zero magnetostriction. In this study, an Fe–6.5 wt% Si non-oriented el...
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Article
Two-stage warm cross rolling and its effect on the microstructure, texture and magnetic properties of an Fe-6.5 wt% Si non-oriented electrical steel
Cross rolling is an effective processing technique used to optimize the crystallographic texture of electrical steel sheets. However, it is usually applied in cold rolling only. It is unknown how this rolling tec...
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Article
Research and verification on neutral layer offset of bar in two-roll straightening process
A neutral layer must be existed in the metal material deformation. Traditional two-roll straightening theory ignores the migration phenomenon of neutral layer, especially for large cross-sectional bar in the s...
