用冷却处理的Ti6Al4V合金在线EDM中的可加工性分析和使用MOAVOA和MOGA的多目标优化
Mithilesh K Dikshit1,2,3, Vimal Kumar Pathak4
1Department of Mechanical and Aerospace Engineering, Institute of Infrastructure Technology Research and Management (IITRAM), Ahmedabad, 380026, India.
Scientific reports
|August 28, 2025
概括
低温处理提高了Ti6Al4V合金的可加工性. 优化算法成功地最大限度地提高了材料去除率,并最大限度地降低了这种先进材料的线电放电加工表面粗度.
科学领域:
- 材料科学
- 制造工程
- 表面工程
背景情况:
- 由于Ti6Al4V合金的耐磨性较差,使其在苛刻的应用中受到限制.
- 由于Ti6Al4V的特性,传统的加工具有挑战性,影响生物医学植入物的寿命.
- 低温处理提供了增强耐磨性的潜在解决方案.
研究的目的:
- 通过使用电线放电加工,研究冷处理和未处理的Ti6Al4V的可加工性.
- 模拟和优化材料去除率 (MRR) 和表面粗度 (Ra).
- 为了比较遗传算法 (MOGA) 和非洲优化算法 (MOAVOA) 在多目标优化方面的有效性.
主要方法:
- 6Al4V的电线放电加工 (WEDM).
- 旋转中心复合设计和响应表面的建模方法.
- 使用MOGA和MOAVOA进行多目标优化.
主要成果:
- 在冷却处理的样本中,排放电流显著影响了MRR (58.04%).
- 工作周期和放电电流是表面粗度的主导线性术语,而电流则主导方形术语.
- 在优化方面,MOAVOA表现优于MOGA,提供了更好的融合和解决方案多样性.
结论:
- 低温处理通过WEDM提高了Ti6Al4V的可加工性.
- 优化WEDM参数可以改善材料去除和表面处理.
- MOAVOA是一种高效的算法,用于优化复杂的加工过程.
相关概念视频
Mechanical Characteristics of Steel
757
The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
757
Transmission Shafts: Problem Solving
288
Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...
Next, use bending moment diagrams for the shaft to...
288
Design of Transmission Shafts - Stress Analysis
496
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
496


