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纳米压痕技术揭示腐殖煤与腐泥煤的断裂特性与蠕变行为:对煤层气 ...
针对煤层气开采中煤岩微观力学特性不明的问题,研究人员通过X射线衍射、拉曼光谱和纳米压痕技术,首次系统研究了腐殖煤与腐泥煤及其显微组分(镜质体、惰质体、藻类体)的断裂韧性(Kc)、脆性指数(B)及蠕变参数(E1、η2、n等),发现惰质体力学性能最优且抗蠕变能力最强,藻类体则易 ...
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