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The origin of driving force for the formation of Sn whiskers at room temperature

机译:室温下锡晶须形成的驱动力来源

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Sn whiskers can form at room temperature on the agglomerated flakes produced by mechanical alloying (MA) of Ti, Sn, and C powders, whether the flakes are stored in air or water. The Sn whiskers forming in air are tens of micrometers to several centimeters in length and 0.5 to ~ 10 μm in diameter. Whereas a large amount of Sn polyhedra forms on the flakes that are stored in water, a small amount of Sn whiskers forms on the polyhedra. The driving force for Sn whisker formation is the compressive stress induced by mechanical alloying (MA) and oxidation. The mechanism about the spontaneous growth of metal whiskers is discussed.
机译:锡晶须可在室温下在由钛,锡和碳粉末的机械合金化(MA)制成的烧结薄片上形成,无论薄片是存储在空气中还是水中。在空气中形成的锡晶须的长度为几十微米至几厘米,直径为0.5至〜10μm。大量的锡多面体在储存在水中的薄片上形成,而少量的锡晶须在多面体上形成。 Sn晶须形成的驱动力是由机械合金化(MA)和氧化引起的压应力。讨论了金属晶须自发生长的机理。

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