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Growth kinetics of iron boride layers: Dimensional analysis

机译:硼化铁层的生长动力学:尺寸分析

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Dimensional analysis is presented as a powerful tool in the study of the paste boriding process. In particular, a dimensional method is used to study the growth kinetics of the boride layers FeB and Fe2B. Experiments were performed in AISI 1045 steel and AISI M2 steel, to test the suggested model. Samples of 1045 steel were prepared and treated using boron paste thickness of 3-5 mm, at temperatures of 1193, 1223 and 1273 K, with 2, 4 and 6 It of treatment time. The M2 specimens had boron paste thickness of 3 and 4 turn and temperatures of 1223, 1253 and 1273 K for 2 and 6 h. Results indicate that the growth of boron layers obeys power laws of the form y = alpha x(beta) where alpha and beta constants are a function of the material and the interface of interest. Validation of the model was carried out using experimental data with an average error percentage of 7.6% for Fe2B in 1045 steel, 15.8% for FeB and 3.4% for Fe2B in M2 steel. (c) 2005 Elsevier B.V. All rights reserved.
机译:尺寸分析是研究糊状硼化过程的有力工具。特别地,使用尺寸方法来研究硼化物层FeB和Fe2B的生长动力学。在AISI 1045钢和AISI M2钢上进行了实验,以测试建议的模型。制备1045钢样品,并使用3-5 mm的硼浆厚度在1193、1223和1273 K的温度下处理2、4和6 It的时间。 M2样品的硼浆厚度为3和4匝,温度为1223、1253和1273 K,持续2和6 h。结果表明,硼层的生长遵循y = alphaxβ形式的幂定律,其中alpha和beta常数是材料和目标界面的函数。使用实验数据对模型进行验证,其中1045钢中Fe2B的平均误差百分比为7.6%,FeB中为15.8%,M2钢中Fe2B为3.4%。 (c)2005 Elsevier B.V.保留所有权利。

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