1,128 Result(s)
within
English
Manufacturing, Machines, Tools, Processes
Yi**g Yong
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Article
Wet-chemical etching of Mn-Zn ferrite by focused Ar+-laser irradiation in H3PO4
Maskless etching of Mn-Zn ferrite in H3PO4 aqueous solution by Ar+-ion laser irradiation has been investigated to obtain high etching rates and aspect-ratios of etched grooves. The etching processes have been fou...
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Chapter and Conference Paper
Nondestructive Characterization of a Deformed Steel Using Positron Annihilation
Positron annihilation spectroscopy is a relatively new NDE technique for characterizing the atomic scale lattice defects like vacancies and dislocations. Positron annihilation lifetime and Doppler broadening l...
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Article
Properties of Fe/Si heterostructure grown by MOCVD
An Fe film was grown on an Si(100) substrate by metalorganic chemical vapor deposition (MOCVD) using thermal decomposition of iron pentacarbonyl, Fe(CO)5. The X-ray diffraction and cross-sectional high resolution...
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Article
Fast solid-phase crystallization of amorphous silicon films on glass using low-temperature multi-step rapid thermal annealing
Effects of multi-step rapid thermal annealing of plasma-deposited amorphous silicon films on Corning 7059 glass are investigated. A three-step rapid thermal annealing for 10 s/step at 730° C after film deposit...
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Article
Synthesis and microstructure control of TiA1 via combustion synthesis
The rate-controlling reactions in the combustion synthesis of TiAl were studied using DTA and reaction furnace. It was demonstrated that the rate-controlling reactions vary with the combustion temperature. The...
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Chapter
Petri Net-Based Heuristic Scheduling for Flexible Manufacturing
A flexible manufacturing system (FMS) can manufacture multiple types of products with relatively small lot sizes, using various resources such as robots and multi-purpose machines. While the increased flexibil...
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Article
Containerless processing of the undercooled metallic melts — overview
Brief overview of current containerless electrostatic levitation processing technique and research progress of the area of bulk metallic glass formation is introduced. Undercooling behavior during solidificati...
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Article
External-field-controlled laser wet etching of polycrystalline Al2O3TiC
Laser-induced etching of polycrystalline Al2O3TiC material by tightly focused CW Ar ion laser has been investigated in both H3PO4 and KOH solutions with influence of an external electric field. It is found that a...
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Article
Effects of cold drawing ratio on δ phase precipitation behaviors of alloy 718 wire
The 8 phase precipitation behavior of cold drawn alloy 718 has been investigated at 1116 K as a function of cold drawn ratio and aging time. The planar markings formed by cold drawing were identified as deform...
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Article
A study on porous super austenitic stainless steel coating for improvement of bone ingrowth
In this study, the prostheses were provided with the bone ingrowth site by coating the super stainless steel powder on the same substrate (S32050) using plasma spraying method. Plasma current and powder feed r...
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Article
Modified Arzt-Ashby-easterling model for powder consolidation
Hot Isostatic Pressing (HIP) of powders was modeled by Arzt, Ashby and Easterling (AAE model) and hot-isostatic diagrams were constructed based on several mechanisms: plastic yielding, power-law creep, diffusiona...
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Article
Stam** analyses and die design of laser welded automotive body
Computer simulations and test trials are carried out to get the optimal conditions of the design for the stam** of the laser tailor welded automotive body panels. Through test trials with new manufactured di...
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Article
Influence of low temperature working on microstructure and mechanical properties of AI-7Si-(Fe) alloys
Changes in the microstructure and mechanical properties of Al-7Si-(Fe) alloys by low temperature working have been investigated. The size and shape of eutectic Si and intermetallic AlSiFe compound were control...
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Article
High temperature mechanical properities and creep crack initiation of DS CM186LC for nozzle guide vane
The second generation DS alloy, CM186LC is used in the as-cast and double aged condition which has creep-rupture properities equivalent to the first generation single crystal alloys CMSX-2 and CMSX-3. In produ...
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Article
Dimension and tolerance modeling and transformations in feature based design and manufacturing
This paper describes the development and application of a geometric dimension and tolerance (GD&T) model for use in both design and process planning. The model meets criteria for computability and compatibilit...
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Article
Determination of texture and estimation of anisotropie properties of metallic uranium rods by neutron diffraction
Textures of metallic uranium rods were measured by neutron diffraction. From experimentally measured single and composite pole figures, the crystallite orientation distribution function (ODF) was determined by...
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Chapter
A Layered 5-axis Machining Method
This paper discusses a method that combines 5-axis NC machining and rapid prototy** for manufacturing complex shape parts. The combination allows NC machining to deal with surfaces in a part that cannot be a...
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Article
Steady-state creep behavior of a Ti-25al-10Nb-3v-lMo alloy
Creep tests were conducted on Ti-25Al-10Nb-3V-1Mo alloy in the the temperature range of 913 - 1093 K at stresses ranging from 40 to 600 MPa. The creep behavior of the Ti3Al alloy under these testing conditions re...
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Article
Oxygen refining of molten high-carbon ferromanganese
The effects of the oxygen/argon mixing ratio and temperature on the decarburization behaviour of high-carbon ferromanganese melts were investigated. The decarburization reaction was promoted and the oxidation ...
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Article
Scheduling cluster tools in wafer fabrication using candidate list and simulated annealing
This paper presents a new method for scheduling cluster tools in semiconductor fabrication. A cluster tool consists of a group of single-wafer chambers organized around a wafer transport device, or robot. Clus...
