Results 31 to 40 of about 13,347 (249)
Cutting of Hard and Brittle Materials with a Microtool.
Journal of the Japan Society for Precision Engineering, 2001 Many reports on the cutting of hard and brittle materials such as single crystalline silicon and glass have been published so far, however, obtainable shapes have been limited because only turning tools or indenters have been used for cutting tools. From this point of view, in this study, an end mill-like microtool was adopted in order to machine by ...
openaire +2 more sources
Advanced Engineering Materials, EarlyView.New features on yttria‐stabilized zirconia after exposure at 1500°C: Newly discovered pyramidal structures on an old material. After exposure at 1550°C on the cross section of YSZ new features, namely pyramidal structures are discovered. These structures grow with time, increase in numbers, appear as singularities, are often arranged in strings, and ...
Doris Sebold +2 more
wiley +1 more source
Depth-sensing ductile and brittle deformation in 3C-SiC under Berkovich nanoindentation
Materials & Design, 2021 The interplay between ductile and brittle deformation modes in hard brittle materials exhibits a strong size effect. In the present work, indentation depth-dependent deformation mechanisms of single-crystal 3C-SiC under Berkovich nanoindentation are ...
Liang Zhao +4 more
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Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading
Advanced Engineering Materials, EarlyView.The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
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Mechanically Enabled Two-Axis Ultrasonic-Assisted System for Ultra-Precision Machining
Micromachines, 2020 With the use of ultrasonic-assisted diamond cutting, an optical surface finish can be achieved on hardened steel or even brittle materials such as glass and infrared materials.
Nan Yu +3 more
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Karl Popper and the Mechanisms of Hydrogen Embrittlement
Advanced Engineering Materials, EarlyView.Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
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Study status and future prospects on ultrasonic assisted grinding of hard and brittle materials
Jin'gangshi yu moliao moju gongcheng, 2020 Hard and brittle materials have some significant characteristics such as high strength, high hardness and low density.However, just because of high hardness and brittleness, great damage and low efficiency are the dramatic problems for these materials ...
DING Kai +3 more
doaj
Advanced Photonics Research, 2023 Micro‐optical elements play a key role in various advanced devices, including biomedical, photovoltaic, 3D display, and optical communication devices. As one of the typical micro‐optical elements, cylindrical microlens (CML) can modulate the wavefront ...
Peichao Wu +6 more
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Advanced Engineering Materials, EarlyView.Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich +3 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.A two‐dimensional multiscale finite element analysis framework was established for the first‐generation MoSiBTiC alloy, and the mechanical and fracture‐related parameters of the constituent phases were calibrated through experiments and simulations. The framework provides a basis for analyzing crack propagation behavior in its complex microstructure ...
Junfeng Du +4 more
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