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2篇 您的检索式:作者名="Philipp Maas"
    题名 作者 年代 出处 被引量
1Anisotropic brittle-ductile transition of monocrystalline sapphire during orthogonal cutting and nanoindentation experiments显示文摘Single-crystal sapphire is utilized as a high-performance engineering material,especially in extreme and harsh environments.However,due to its extreme hardness and brittleness,the machinability of sapphire is still a challenge.By means of nanoindentation and plunge-cut experiments,the anisotropic brittle-ductile transition of the prismatic M-plane and rhombohedral R-plane is examined by analyzing crack morphologies and the critical depth-of-cut(CDC).The experimental results of the nanoindentation tests are correlated to the plunge-cut experiment.Both the prism plane and the rhombohedral crystal plane exhibit a two-fold symmetry of ductility with various crack patterns along the machined grooves.The direction-dependent plasticity of the hexagonal sapphire crystal is mainly connected to a twinning process accompanied by slip dislocation.Philipp Maas Yuta Mizumoto Yasuhiro Kakinuma Sangkee Min 2018Nanotechnology and Precision Engineering2018,1,3:3
2Abfallwirtschaft in einem Huttenwerk显示文摘Philipp J A Maas H 1984Stahl & Eisen1984,104,8:1
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