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关于Sn58Bi合金对岩石钻孔插头性能影响的研究

Chunqing Zha1, Wenhe Xia1, Wei Wang1

  • 1College of Mechanical and Energy Engineering, Beijing University of Technology, Beijing 100124, China.

Materials (Basel, Switzerland)
|March 27, 2025
PubMed
概括

Sn58Bi合金有效地堵塞岩石穿孔,在高温,高压条件下优于传统水泥. 它的性能受环境温度,插头直径和长度的影响,在更高的温度下显示出降低的机械强度,但在更小的直径下显示出改进的液压密封.

关键词:
这是一种Sn58Bi合金.液体插头 液体插头 插头机械插头 机械插头岩石穿孔堵塞 堵塞 岩石穿孔堵塞

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Radical substitution reactions can be used to remove functional groups from molecules. The hydrogenolysis of alkyl halides is one such reaction, where the weak Sn–H bond in tributyltin hydride reacts with alkyl halides to form alkanes. Here, the reagent Bu3SnH yields tributyltin halide as a byproduct.
The bonds formed in this reaction are stronger than the bonds broken, making it energetically favorable. The reaction follows a radical chain mechanism similar to radical halogenation reactions,...