裂紋成核 的英文怎麼說
中文拼音 [lièwénchénghé]
裂紋成核
英文
crack nucleation-
The most important conclusion reached in this study is that cracking begins regardless of the initial loading nucleation time.
這個研究最重要的結論是：裂紋的開始與初始載荷成核的時間無關。The micromechanisms of fracture in engineering materials have been studied in this thesis, with particular emphasis on the dislocations behavior in the front of crack tip and the processes of crack nucleation and propagation on nanometer scale. the relation between the microprocesses of fracture and the macromechanical behaviors were investigated, which will be helpful to the strengthening and toughening of engineering materials
本文首先對材料斷裂文獻進行綜述，了解斷裂微觀機理研究的過去成就、現狀和發展，確定本文研究的內容為工程材料斷裂的微觀機理，側重裂尖微區位錯行為和納米尺度上微裂紋形核與擴展過程及微觀組織的影響，斷裂微觀過程與宏觀力學行為的關系，為工程材料的強韌化提供理論依據。
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