Headlines


Application of electrical discharge machining for machining of semi-conductor materials
September 23, 2014
FULL TEXT KEYWORDS EDM; Experiment; Boron carbide; MRR; Surface-roughness; DOE. Abstract. In recent years, the research work in material science has encouraged the development of advanced ceramic materials. Boron carbide has many applications in industries for manufacturing of products such as water jet nozzle and abrasive particles. In this paper several experimental tests have been conducted to study the effect of process parameters in machining of boron carbide "B4C" by using the electrical discharge machining process "EDM". The effect of voltage variation, current intensity, on-pulse and off-pulse durations on surface roughness (Ra) and Material Removal Rate (MRR) were studied simultaneously by utilizing the Design Of Experiment (DOE) technique. This research work indicated that the "EDM" process can be used to machine semi-conductor materials such as \B4C" successfully. In addition, it was found that, the quantity of material removal rate and the quality of workpart surface roughness could be affected by the variations of these process parameters. Finally, the experimental results obtained were compared with the published results reported by other scientist, and a good agreement was found between them. © 2014 Sharif University of Technology. All rights reserved.

iPhone apple of their eyes
September 23, 2014
Dubai: For die-hard iPhone fans price doesn’t seem to be an issue. They are willing to pay any amount just to lay their hands on the new gadgets from Apple Inc.

Foreign phones set to 'disconnect'
September 23, 2014
China's growing security concerns over overseas-made smartphones will translate into business opportunity for local vendors, analysts said. Women hold new Ascend P7 smartphones, a model launched by Huawei Technologies Co Ltd, during a presentation in Paris. REUTERS Growing security concerns could spell end to use of Apple, Samsung models and shift to local makers

Indian lighting sector upbeat on prospects in LED segment
September 22, 2014
The various measures being initiated by the central government as well as states to promote energy efficient lighting technologies will go a long way in making the Indian lighting industry buoyant and self reliant in the Light Emitting Diode (LED) segment. During an interaction with Projectmonitor on the sidelines of Light India 2014, a b2b trade fair organised by the Electric Lamp and Component Manufacturers' Association of India and Messe Frankfurt, in New Delhi, from September 18 till 21, Secretary General of ELCOMA Shyam Sujan said 27.5 million streetlights across the country were being replaced with LED lights. He added that the demand for LED lighting was being further driven by the distribution of retrofit LED lamps among BPL households under various government schemes. The distribution schemes are expected to generate a demand for 300 million retrofit LED lamps in the next two to three years.

GMC introduces 2015 Sierra Elevation Edition
September 22, 2014
HIGHLIGHT: GMC, a division of General Motors, has introduced the 2015 Sierra Elevation Edition, a new entry to the sport pickup truck market.

Macy's unveils mobile payments and customer marketing plans
September 22, 2014
HIGHLIGHT: Macy's Inc, the owner of the Macy's and Bloomingdale's department store chains, has unveiled plans to implement a range of new technologies designed to provide an omnichannel shopping service to its customers.

eBay Enterprise unveils enterprise commerce marketing platform with FICO
September 22, 2014
HIGHLIGHT: eBay Enterprise, Inc. in a strategic partnership with Fair Isaac Corporation, or FICO, a predictive analytics and decision management software company, has announced the eBay enterprise commerce marketing platform, a new omnichannel engagement suite that will enable marketers to optimize one-to-one commerce at scale.

Lockheed Obtains $147 Mln Addl. Electronic Warfare Contract From U.S. Navy
September 22, 2014
(RTTNews) - Lockheed Martin (LMT) said Monday the U.S. Navy has awarded the company an additional $147 million contract to upgrade the fleet's electronic warfare defenses against evolving threats, such as anti-ship missiles.

Oculus unveils new prototype virtual reality headset
September 22, 2014
Facebook-owned  Oculus VR has unveiled an updated prototype of its virtual reality headset. However, there are no plans in the pipeline for a consumer release and it might be a while before we actually get to see one. Nicknamed Crescent Bay, it features a fair share of improvements over the DK2 model. Higher resolution HD OLED display [...]The post Oculus unveils new prototype virtual reality headset appeared first on tbreak.ae.

Senior Analog Design Engineer
September 22, 2014
National Defense Industrial Association has issued the following Job Vacancy: Senior Analog Design Engineer Location: Chandler, AZ 85224::Microchip Technology Inc. is a leading provider of micro-controller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.


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