Gas turbine engines are the most widely used form of propulsion system for modern aircraft. In a modern gas turbine, pressurized gas spins the turbine by burning propane, natural gas, kerosene or jet fuel. Prevalent in aerospace, gas turbine engine technology is quite diverse and also used for applications in other industries such as energy, marine, railway and industrial. In the meanwhile, increasing economical, ecological and societal demands are pushing the development of turbo machines constantly to new limits. With a growing demand for air travel, massive backlogs of new aircraft orders and a slowly resurging business jet sector, outlook for the industry is strong. With rapidly aging fleets in the mature markets and growing demand from airlines and fleet operators for next generation, more fuel-efficient, technologically-advanced aircraft, many customers are now focused on replacing their older fleets. These trends and advanced research and investment activities being carried out in this sector can result in a higher demand for gas turbines. More investments are flowing towards South East Asian countries and it is estimated that China, India and Vietnam will replace the U.S. and other European countries in the ranking of aviation investments and growth.
Impart of 3D printing for the manufacture of turbine blades indicates the constant level R&D activities being carried out in this sector. Siemens has achieved a breakthrough by finishing its first full load engine tests for gas turbine blades completely produced using additive manufacturing (AM) technology. The company successfully validated multiple AM printed turbine blades with a conventional blade design at full engine conditions. The components were tested at 13,000 revolutions per minute and temperatures beyond 1,250° Celsius. Furthermore, Siemens tested a new blade design with a completely revised and improved internal cooling geometry manufactured using the AM technology. Materials Solutions specializes in high performance parts for high temperature applications in turbo machinery where accuracy, surface finish and the materials quality is critical to ensure operational performance of the parts in service. This is a breakthrough success for the use of additive manufacturing in the power generation field, which is one of the most challenging applications for this technology. To Avail Sample TOC, Click Here
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