Over the weekend Boeing announced the completion of its first 787-9 Dreamliner, which is slated to be delivered to Air New Zealand in 2014. The 787-9 line is 20 feet longer than its predecessor the 787-8, which allows the 787-9 to hold 40 more passengers. As with all of Boeings newer planes, the 787-9 has been designed to use 20 percent less fuel then other planes its size.
NASA’s latest propulsion experiment could reshape the future of deep-space travel. Engineers at NASA Jet Propulsion Laboratory recently tested a powerful lithium-fed electromagnetic thruster that may one day help carry astronauts to Mars faster and more efficiently than current spacecraft systems. A New Kind of Engine for Deep Space The experimental engine is known as a magnetoplas
Are Inconel alloys stronger than stainless steel? The answer depends on how strength is measured. Tensile strength, yield strength, hardness, compressive strength, heat exposure, forming method, and treatment can all change the result. In practical terms, Inconel vs stainless steel is less about one material “winning” and more about choosing the alloy that gives the part the right form, fit, funct
Oak Ridge National Laboratory has developed a manufacturing method that could make large critical metal parts faster to produce, easier to customize, and less dependent on conventional casting and forging supply chains. The U.S. Department of Energy laboratory announced on May 14 that its researchers used additive manufacturing to fabricate custom canisters for powder metallurgical hot isostati
Every turbine blade, exhaust duct, and fastener in an aircraft engine faces a punishing combination of heat, stress, and corrosive gas. And the high-temperature aerospace materials that survive those conditions aren't interchangeable. If you pick the wrong alloy, the part can distort, crack, or fails mid-flight. Choosing the best materials for high-temperature aerospace applications starts with un
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