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Title
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Optimal Seeking Surface Roughness and Material Removal Rate Responses of Hardened AISI 4340 High Strength Low Alloy Steel in Dry Sustainable Environment
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Sub-Title |
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Subject |
High Strength Low Alloy Steel, Material Removal Rate, Multi-Objective Optimization, Sustainable Dry Machining, Surface Roughness
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Sub-Subject |
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Author |
Khawaja, Amar ul Hassan; Jahanzaib, Mirza, & Zaka
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Publish Year |
2021 |
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Supervisor |
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Diss#. |
0.22581/muet1982.2101.11 |
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Chapters |
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Pages |
116-129 |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
The aim of this research is to study the machinability aspects of hardened AISI 4340 High Strength Low Alloy
(HSLA) steel (50 ± 2 HRC (Hardness Rockwell C)). The experimental investigation using coated carbide inserts
is carried out during the dry hard milling process in a sustainable environment. The input parameters in the
study are speed, feed rate and depth of cut and the responses are Average surface Roughness (Ra) and Material
Removal Rate (MRR) that are selected through screening. Central Composite Design (CCD) in response
surface methodology has been utilized as the experimental design technique with twenty experiments. Analysis
of variance has been employed to examine the momentous machining parameters and responses. A
mathematical model has been developed to optimize the surface roughness and material removal rate. It has
been observed that the most significant factor for Ra is feed rate while for MRR depth of cut is the most
significant factor. The results show that the mini
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