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Aluminium alloys are widely used in many industrial applications including automobiles and aeroplanes, on account of their light weight. However, the wide-spread use of such alloys was contingent on the discovery of precipitate strengthening as a means for improving the tensile properties of these alloys necessary for most applications. Discovered over a hundred years ago, the technique involves heating alloys to elevated temperatures, which allows nanoscale secondary phases to precipitate in the metal. These precipitates hinder dislocation motion throughout the material and greatly increase their tensile strength. Now, however, Australian researchers led by Christopher Hutchinson at Monash University have developed a room-temperature cycling technique that reproduces and improve...
Published: 2019 - 09 - 18
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Types of alloy steelThere are two kinds of alloy steel – low-alloy steel and high-alloy steel. As mentioned earlier, the composition and proportion of alloying elements determine the various properties of alloy steel. Low-alloy steels are the ones which have up to 8% alloying elements whereas high-alloy steels have more than 8% alloying elements. Alloying elements There are around 20 alloying elements that can be added to carbon steel to produce various grades of alloy steel. These provide different types of properties. Some of the elements used and their effects include: Alumin...
Published: 2019 - 08 - 08
Views:138
An overview of ‘steel’ Steel is among the most popular materials used in the construction industry. According to the World Steel Association, in 2018 around 1,808 million tons of crude steel was produced worldwide and about 50% of this production was utilized by the construction industry. Further, they also state that there are as many as 3,500 different grades of steel and each grade offers environmental, chemical and physical properties unique to that grade of steel and each grade offers environmental, chemical and physical properties unique to that grade of steel. Steel has underg...
Published: 2019 - 08 - 01
Views:249
This is Osman El Atwani (left) and Enrique Martinez at the transmission electron microscope.Credit: Los Alamos National LaboratoryA new tungsten-based alloy developed at Los Alamos National Laboratory can withstand unprecedented amounts of radiation without damage. Essential for extreme irradiation environments such as the interiors of magnetic fusion reactors, previously explored materials have thus far been hobbled by weakness against fracture, but this new alloy seems to defeat that problem.'This material showed outstanding radiation resistance when compared to pure nanocrystalline tungsten...
Published: 2019 - 03 - 07
Views:6
Academic Annual Meeting of China Powder Metallurgy Alliance & 2019 Shanghai International Powder Metallurgy ForumThe application fields of powder metallurgy technology are expanding day by day. In order to further promote the technological innovation of new materials, new technologies and new process in powder metallurgy industry, to continuously learn from and understand the most cutting-edge scientific and technological achievements and development at home and abroad, to improve China’s scientific progress and technological upgrading in the field of new mate...
Published: 2019 - 02 - 27
Views:14
Organizer:Uniris Exhibition Shanghai Co., Ltd.Federation of Shanghai Powder Metallurgy Society & AssociationSupporter:China Powder Metallurgy Alliance  Register before March 15th will get a chance to participate for FREE! The Shanghai International Injection Molding Forum has been successfully held for seven sessions since its inception, and has gradually developed into a well-known and influential academic exchange activity in the field of injection molding in China. The forum fully integrates academic exchanges with industrialization research, innovative thinking with...
Published: 2019 - 02 - 27
Views:11
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