ENVIRONMENT FRIENDLY ASPHALT IN INDUSTRIAL ROADS (GREEN ROADS)
Published In: 5TH INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL, STRUCTURAL AND MECHANICAL ENGINEERING
Author(s): MUHAMMED HUSSAIN SHEARIYA
Abstract: Yanbu Industrial City is located 350 Kilometers north west of Jeddah. It possesses tourism features due to its location on a coastal line the red sea and hijaz hills. The red sea with its crystal water and attractive coral reefs welcomes the people who visit and frequent it for marine picnics, diving and several types of water sports. In this young city – just over 40 years became a center for modern industries. It plays a major role in Kingdom’s gross national income. Yanbu port includes the facilities that enable it export more than three (3) million barrels / day while its location near the Suez channel makes it an excellent access to European markets and the developing markets in Affric and Middle East. Yanbu, moreover is located in the middle of the distance between America and the countries of the pacific ocean. The main objective of Yanbu Industrial City Economic review is to gain better and current understanding of the city wide economic performances
- Publication Date: 03-Sep-2017
- DOI: 10.15224/978-1-63248-132-0-31
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NATURAL AGEING OF ALUMINIUM PROCESSED BY TWIST CHANNEL ANGULAR PRESSING
Published In: 5TH INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL, STRUCTURAL AND MECHANICAL ENGINEERING
Author(s): LENKA KUNCICKA , RADIM KOCICH
Abstract: The method of twist channel angular pressing (TCAP) was invented with the aim to increase the efficiency of single pass severe plastic defo rmation (SPD) technologies. The study shows the structure of TCAP - processed aluminium after processing and the changes developed in the structure after a year of natural ageing at room temperature. The grain refinement after a single pass TCAP was very sig nificant due to effectively imposed shear strain; the majority of grains were smaller than 5μm. The grains further showed sub - structure featuring fine precipitates, accumulated dislocations and developed subgrains. Transmission electron microscopy of the o ne - year - aged samples showed increased precipitation; the precipitates acted as effective obstacles for grain growth and structure recovery. The microscopy results were supplemented with microhardness measurements, the results of which showed a significant hardening for the single pass TCAP, after which the average microhardness increase
- Publication Date: 03-Sep-2017
- DOI: 10.15224/978-1-63248-132-0-32
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