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Chapter and Conference Paper
Aeroheating Test of Double Cone Configurations in Shock Tunnel
Double cone is a commonly used axial symmetric configuration in numerical and experimental studies to simulate complex flow with shock/shock and shock/boundary layer interactions [1–4]. For hypersonic vehicle ...
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Chapter and Conference Paper
Precipitation of the Gamma Prime Phase in a Ni-Co-Based Superalloy during Different Stages of Cooling
The cooling precipitation of the gamma primary (γ′) phase in a precipitation strengthened Ni-Co-base disk superalloy was investigated by various experimental and analytical methods. The alloy was super-solvus ...
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Chapter and Conference Paper
The Production of Bio-Steel and its Applied Research on Watches
Nickel free high nitrogen austenitic stainless steel has bio-friendly characteristics can be widely used in the products direct contacting with the skin, because it doesn’t contain nickel which may make people...
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Chapter and Conference Paper
Influence of Y/Zn Mole Ratio on the Phase Composition and Mechanical Properties of Mg-Y-Zn Alloys
The influence of Y/Zn mole ratio on the phase composition and mechanical properties of the Mg-Y-Zn alloys has been investigated. The results show that with the decrease of Y/Zn ratio, the Mg24Y5, 18R-LPSO phase a...
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Chapter and Conference Paper
The Effect of Silicon Additions on the Thermal Stability and Morphology of Carbides in a Ni-Mo-Cr Superalloy
The effect of silicon additions on the thermal stability and morphology of carbides has been investigated in a Ni-Mo-Cr superalloy. It is found that granular M6C carbides form at the grain boundaries in the stand...
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Chapter and Conference Paper
An Approach to Improve the Tensile Ductility of Particle Reinforced Ultrafine-Grained Metallic Composite by Nano-Dispersion Toughening
Nano-Al2O3 dispersoids were introduced and uniformly distributed into the matrix of micron B4Cp reinforced ultrafine-grained Al composite by a “flake powder metallurgy” (flake PM). The resulting B4Cp/Al(Al2O3) hi...
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Chapter and Conference Paper
Effect of Long Time Thermal Exposure on Microstructure and Mechanical Properties of C276 Superalloy
Due to the perfect mechanical properties and acceptable corrosion resistance, nickel-based superalloy C276 has been selected as the primary structure material of the experimental loop in thorium molten salt re...
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Chapter and Conference Paper
The Corrosion Resistance of Weathering Steels in Atmospheric Exposure and Laboratory-accelerated Corrosion Tests
The corrosion resistances of weathering steel and structure steel in atmospheric exposure and laboratory-accelerated corrosion tests have been investigated. The results showed that the corrosion rate of weathe...
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Chapter and Conference Paper
Magnetic, Magnetocaloric and Electrical Properties in Bulk Nanocrystalline Gd Metals
Magnetic, magnetocaloric, electrical properties of nanocrystalline and coarse-grained gadolinium (Gd) metals were compared in the present work. The bulk nanocrystalline matels have been consolidated from Gd na...
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Chapter and Conference Paper
Martensitic Transformation Behaviors of Fe-Ni Nanoparticles under External Field
The martensitic transformation behaviors of the Fe-Ni nanoparticles prepared by Sol-gel & reduction method under magnetic field and strain field were investigated, respectively. Results showed that the MS tempera...
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Chapter and Conference Paper
Stress Behavior of Incoloy 800 Superalloy in Slab Continuous Casting Process
A three-dimensional heat transfer mathematic model and elastic-plastic constitutive equation are developed. Based on ProCAST commercial software, MiLE algorithm coupled with user program is used to simulate so...
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Chapter and Conference Paper
Osteoblast responses to the modified surface of porous titanium
This study was to investigate osteoblast responses to four modified surface of porous titanium struts in vitro, which including the AH surface, the AHS surface and the HA surface. The morphology, element conte...
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Chapter and Conference Paper
Preparation and Optical Properties of Amorphous Sio Nanowires
SiO nanowires have been synthesized on SiC substrates with liquid phase Fe as a novel catalyst at 1300 – 1400°C. The length of SiO nano wires is in the range of several tens to hundreds of micrometers, and the...
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Chapter and Conference Paper
Effect of Cross Accumulative Roll Bonding Process on Microstructure and Mechanical Properties of Laminated 1100/7075 Composite Sheets
For the laminated metal composite sheets (LMCS) fabricated by dissimilar metals, the roll bonding process has an important impact on the microstructure and mechanical properties, especially on the anisotropy. ...
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Chapter and Conference Paper
Correlation Between Internal States and Strength in Bulk Metallic Glass
The internal states or local structures of bulk metallic glass (BMGs) can be well reflected from the changes of density, structural relaxation as well as the elastic constants. With the increasing free volume ...
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Chapter and Conference Paper
Research on the crack mechanism of electrodes for a high-alloyed martensitic valve steel
The crack mechanism of electrodes for 9Cr18Mo martensitic valve steel has been analyzed in detail through calculation of phase diagram, in situ observation of high temperature microscope, thermal simulation of...
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Chapter and Conference Paper
An algorithm of Tool Path Generation for Parts with Regular Features
In general, for NC machining of the models with regular features, the relevant tool paths are also arranged in regularity. In this paper, an algorithm is researched of generating tool path attached to the mode...
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Chapter and Conference Paper
Optimization Design of Hydraulic Servo Actuators with 3-D.O.F. and Motion Decoupling
Robot actuator is one of very important key parts in robot researching field. Researchers hope an ideal kind of actuators with stronger output torque, lighter weight, smaller volume, motion decoupling and easi...
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Chapter and Conference Paper
Automated Generation of Dimension Chains for Auto-Body Dimensional Quality Evaluation
Dimensional quality evaluation is one of essential steps during auto-body early design stage. There are plenty of elements impacting on the variation propagation of assembly process. Dimension chain can addres...
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Chapter and Conference Paper
Coordination Component Based on Petri Net for Collaborative Design
Considering the lack of efficient coordination of task interdependencies in the collaborative design system, the temporal and resource coordination mechanisms for respective problems are established based on P...