AISI 4140 合金钢加工过程中表面质量的不确定性和敏感性分析

Q3 Engineering

推进技术 Pub Date : 2023-12-03 DOI:10.52783/tjjpt.v44.i5.2755

N. Mandal, Shuvajit Ghosh

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引用次数: 0

摘要

不确定性是一个数量在统计上偏离期望值的可能性。虽然加工表面的质量由许多参数决定，但在本研究中，考虑了三种表面织构即AISI 4140合金钢在加工过程中表面质量的不确定性。首先，以切削速度、进给量和切削深度为输入参数，使用RSM对这三种表面纹理进行建模，然后测量不确定度和灵敏度。通过蒙特卡罗模拟可以看出，模型的不确定性分别为0.0440、0.2567和0.2568。不确定度和灵敏度的主要影响因素分别是进给量、切割深度和切割深度。

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Uncertainty and Sensitivity Analysis of Surface Quality in Machining of AISI 4140 Alloy Steels

Uncertainty is the likelihood that a quantity will statistically deviate from the desired value. Though quality of a machined surface are attributed by many parameters, in this investigation, three surface textures namely,are considered to measure the uncertainties in quality of a surface during machining of AISI 4140 Alloy Steel. First, these three surface textures are modeled using RSM with speed, feed, and depth of cut as input parameters and thereafter uncertainties and sensitivities are measured. It is observed that the uncertaintie of the model, is 0.0440, 0.2567, and 0.2568 respectively using the Monte Carlo Simulation. Principal contributors in uncertainty and sensitivity for, are feed, depth of cut, and depth of cut respectively.

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来源期刊

推进技术 Engineering-Aerospace Engineering

CiteScore

1.40

自引率

0.00%

发文量

6610

期刊介绍： "Propulsion Technology" is supervised by China Aerospace Science and Industry Corporation and sponsored by the 31st Institute of China Aerospace Science and Industry Corporation. It is an important journal of Chinese degree and graduate education determined by the Academic Degree Committee of the State Council and the State Education Commission. It was founded in 1980 and is a monthly publication, which is publicly distributed at home and abroad. Purpose of the publication: Adhere to the principles of quality, specialization, standardized editing, and scientific management, publish academic papers on theoretical research, design, and testing of various aircraft, UAVs, missiles, launch vehicles, spacecraft, and ship propulsion systems, and promote the development and progress of turbines, ramjets, rockets, detonation, lasers, nuclear energy, electric propulsion, joint propulsion, new concepts, and new propulsion technologies.