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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Evaluation of eddy current signatures for predicting different heat treatment effects in chromium-vanadium (CrV) spring steel
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Evaluation of eddy current signatures for predicting different heat treatment effects in chromium-vanadium (CrV) spring steel

机译:评估涡流特征以预测铬钒(CrV)弹簧钢的不同热处理效果

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摘要

The nondestructive test method (eddy current) was employed to study the effect of different heat treatment cycles (normalizing, annealing, quenching, and tempering) on chromium-vanadium (CrV) spring steel. The calibration of eddy current setup was carried out as per ASTM E566 and frequency optimization for the evaluation of heat treatment was carried out in absolute mode using shielded eddy current testing core probe. The eddy current signatures successfully distinguished the effect of different heat treatments cycles and variation in hardness for CrV samples. Scanning electron microscopy images confirmed the different microstructures as predicted by the eddy current testing.
机译:采用非破坏性测试方法(涡流)来研究不同热处理周期(正火,退火,淬火和回火)对铬钒(CrV)弹簧钢的影响。根据ASTM E566进行涡流设置的校准,并使用屏蔽涡流测试核心探头以绝对模式进行用于评估热处理的频率优化。涡流信号成功地区分了不同热处理周期和CrV样品硬度变化的影响。扫描电子显微镜图像证实了涡流测试所预测的不同微观结构。

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