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首页> 外文期刊>ISIJ international >Influence of the Dimensional Change, and lts Dispersion, on the Fabrication Size Tolerances of Austempered Ductile Iron (ADI) Parts: comparison with SAE 4140 Steel
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Influence of the Dimensional Change, and lts Dispersion, on the Fabrication Size Tolerances of Austempered Ductile Iron (ADI) Parts: comparison with SAE 4140 Steel

机译:尺寸变化和lts色散对奥氏体球墨铸铁(ADI)零件制造尺寸公差的影响:与SAE 4140钢的比较

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摘要

To accurately satisfy the size tolerance of metallic parts, it is necessary to take into account the dimen- sional change (DC) caused by heat treatment, and the dispersion (ΔDC) of the DC values. The information available on this topic for Adi is very scarce. The present work aims to determine DC and ΔDC on Adi and SAE 4140 steel parts and to analyze its in- Fluence on the size tolerances. Ductile iron and SAE 4140 steel specimens were used to compare DC and ΔDC caused by austempering, and quenching and tempering heat treatments.
机译:为了准确满足金属零件的尺寸公差,必须考虑到热处理引起的尺寸变化(DC)和DC值的偏差(ΔDC)。有关Adi的此主题的信息非常匮乏。本工作旨在确定Adi和SAE 4140钢零件上的DC和ΔDC,并分析其对尺寸公差的影响。使用球墨铸铁和SAE 4140钢试样比较了奥氏体回火,淬火和回火热处理引起的DC和ΔDC。

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