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The influence of material properties on fatigue of oil drill pipe joints
release time：2024-11-22
source： network
The influence of material properties on fatigue of oil drill pipe joints is also important:
1. Material strength: The material strength of drill pipe joints is one of the key factors affecting their fatigue life. Although high-strength materials have better load-bearing capacity, they may also lead to higher stress concentration and faster fatigue failure rates. Therefore, when selecting materials, it is necessary to comprehensively consider their strength, toughness, corrosion resistance, and other aspects of performance.
2. Material defects: Defects such as inclusions, pores, and cracks in the material can reduce the fatigue life of drill pipe joints. These defects can easily become the initiation points of fatigue cracks under cyclic loading, leading to fatigue failure.
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