一种新型陶-环氧-Kevlar复合材料的部落学特征
Yassin Fouad1, Abdulrahman A Aleid1, Omer Osman1
1Department of Mechanical Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
Polymers
|March 28, 2024
概括
这项研究调查了一种新型陶环氧复合材料的三元学行为. 增加侧载荷会增加磨损,但115rpm显示了由于滑变化造成的最低磨损率.
科学领域:
- 材料科学 材料科学 材料科学
- 部落学 (tribology) 是一个学科.
- 机械工程 机械工程
背景情况:
- 钻井操作涉及钻井管工具接头 (DP-TJ) 和外之间的显著摩擦和磨损.
- 新型复合材料正在开发中,以提高深孔钻孔组件的耐用性和性能.
- 在模拟的下井条件下了解部落学行为对于材料选择和组件设计至关重要.
研究的目的:
- 为了评估陶-环氧复合物在不同侧面负荷和旋转速度下对陶-环氧复合物的 Tribological 性能.
- 确定这些参数对磨损深度,体积和具体外磨损率 (K) 的影响.
- 分析复合材料的磨损机制和表面特性.
主要方法:
- 对一种新型陶环氧复合物的实验性 tribological 测试,在一个 Kevlar 矩阵外中对一个复合材料涂层的 DP-TJ 进行测试.
- 在以水为基础的泥 (WBM) 滑下,可变的旋转速度 (65,115,154rpm) 和侧载荷 (500,700,1000N).
- 使用数字显微镜,扫描电子显微镜 (SEM) 和能量分散光谱 (EDS) 分析磨损.
主要成果:
- 磨损深度和具体的外磨损率 (K) 随着侧面负载的增加而增加.
- 最低的特定外磨损率 (K) 在每分钟115转时被观察到,这归因于从边界滑到水力动力滑的转变.
- 磨损机制从较低速度的磨损过渡到较高速度的粘合性磨损,侧面负载对机制没有显著影响.
结论:
- 这种新的陶环氧复合材料表现出由旋转速度和侧面负载影响的多种类型的tribological行为.
- 优化旋转速度,特别是115rpm左右,可以最大限度地减少这种复合系统的磨损.
- 材料的耐磨性和机制取决于操作条件,建议量身定制的应用策略.
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