Showing papers in "Physics Procedia in 2012"

TL;DR: In this article, the authors investigated the properties of selective laser melting (SLM) for AlSi10Mg parts and compared them to those of conventionally cast AlSi 10Mg.

TL;DR: A free data-analysis framework for muSR, based on the CERN ROOT framework, which facilitates a plugin mechanism allowing to invoke user-defined functions, the functionality of the framework can be extended with a minimal amount of overhead for the user.

TL;DR: The improved K-Means algorithm effectively solved two disadvantages of the traditional algorithm, the first one is greater dependence to choice the initial focal point, and another one is easy to be trapped in local minimum.

TL;DR: A system for monitoring of the melt pool during LLM and a data processing algorithm to map the measured melt pool data in space and it will be shown that with this system a wide range of process failures can be detected during the process.

TL;DR: An improved median filtering algorithm is proposed that reduces the noise and retains the details of the image and the complexity is decreased to O (N), and the performance of noise reduction has effectively improved.

TL;DR: In this article, the influence of welding parameters on the microstructure and the heat affected zone has been studied, and an evaluation of the opportunities for an automatized repair process is made.

TL;DR: In this article, optical properties of thin metal films deposited by thermal evaporation and low pressure (1.33·10-5 - 1.33 ·10-4 Pa) DC plasma sputtering were investigated.

TL;DR: A brief introduction to the AdaBoost which is used for producing a strong classifier out of weak learners firstly and its relation with SVM secondly is provided.

TL;DR: In this article, the microstructure of the fabricated parts shows prior columnar β grains consisting of acicular α' martensite, while the yield and ultimate tensile strength of the fabrication parts are superior to those of cast and annealed wrought material.

TL;DR: In this article, the aging process of Ti-6Al-4V powder was studied and it was observed that powder particles coarsen and flowability increases due to repeated recycling.

TL;DR: In this article, the authors present the test results of superconductor-insulator-ferromagnet-superconductor (SIFS) MJJs showing their applicability for superconducting spintronic memory and digital circuits.

TL;DR: In this paper, the conditions of a layer-by-layer synthesis of 3D parts made of nitinol by a Selective Laser Melting (SLM) were studied, and the effect of different laser parameters on the structure and an intermetallic phase composition of the melted samples was analyzed by the methods of optical metallography, microhardness measurement, SEM, X-ray and EDX analysis.

TL;DR: In this paper, the authors start with circular economy and the connotation of green supply chain, then analyzes the difference between green supply chains and traditional supply chain and elaborates the content of Green supply chain management.

TL;DR: In this paper, a laser-based process to join thermoplastics with metals thermally without the help of any additives was described, and a failure of the joint within the base material PA6.6 was achieved.

TL;DR: The framework of digital agriculture application based on IOT is proposed and the key technologies of IOT, including Radio Frequency Identification technology, Electronic Product Code technology, and ZigBee technology are analyzed.

TL;DR: The ALU design is based on a Kogge-Stone adder and employs an asynchronous wave-pipelined approach scalable for wide datapath processors, and chip design and high-speed test results for the 8-bit ALU circuit are presented.

TL;DR: In this paper, a fully digital implementation of the Silicon Photomultiplier (dSiPM) has been developed in order to overcome the deficiencies and limitations of the so far only analog SiPMs (aSiPMs).

TL;DR: From the connotation of green logistics management, this article discussed the principles of green packaging, and from the two levels of government and enterprises, put forward a specific management strategy, which can be directly and indirectly promoted by laws, regulations, taxation, institutional and other measures.

TL;DR: Laser cladding has become an established technology for parts repair and surface modification for cost-intensive components due to ongoing improvements of laser sources, process technology and strategy, the range of applications for laser deposition processes is continuously increasing as discussed by the authors.

TL;DR: An adaptive histogram-based algorithm in which the information entropy remains the same is presented, and it is shown that the improved algorithm may effectively improve visual effects under the premise of the same information entropy.

TL;DR: The Extended Analogue Si-pm Integrated Readout Chip (EASIROC) as mentioned in this paper is a 32-channel fully analogue front end ASIC dedicated to readout SiPM detectors.

TL;DR: It is found that the specific properties of PEG, its solubility in both polar and non-polar solvents, and its acting as a polymer electrolyte, have a significant effect on its behavior when used in drug delivery.

TL;DR: In this paper, a direct laser metal deposition (DLMD) technology with co-axial powder injection is used to fabricate a complex functional graded structure (FGS) fabrication.

TL;DR: In this article, the authors present the performance of the final beam telescope with three different pixel technologies (ATLASPixel, Mimosa,Timepix) withinthenew European detector infrastructure project AIDA.

TL;DR: Experimental results shown that the new algorithm GRPDBSCAN not only can better differentiate between noises and discovery clusters of arbitrary shapes but also have more robust.

TL;DR: A one-diode equivalent circuit-based versatile simulation model in the form of masked block PV module is proposed which is allowed to estimate behavior of PV module with respect changes on irradiance intensity, ambient temperature and parameters of the PV module.

TL;DR: In this article, ZnO nanoparticles were synthesized by spray-pyrolysis method using the zinc acetate dihydrate as starting material at synthesis temperature of 900°C with various concentrations (0.01, 0.1, 1.0, respectively).

TL;DR: In this paper, a resistive superconducting fault current limiter for the 115kV transmission voltage level has been designed and manufactured by a collaboration of American Superconductor, Siemens, Nexans and Southern California Edison.

TL;DR: The results show that the modified threshold Denoising method is superior to the traditional soft and hard wavelet threshold denoising methods in improving SNR and decreasing RMSE.

TL;DR: In this paper, an approach using response surface methodology was chosen to correlate part properties with main influencing factors to predict and to improve part properties based on an enhanced process understanding, and the results showed that part quality, process interruptions, and defective parts can be improved based on the improved process understanding.