Search Results for aircraft component life

Durable polyimide parts that can withstand challenging aerospace environments mean longer service life, less maintenance, and smaller part inventories for aircraft fleet owners.

Nanostructured tungsten-tungsten carbide chemical vapor deposition (CVD) coatings provide a practical, technical, and commercially viable alternative to hard chrome plating for aircraft components.

Advanced materials engineering is being used to solve component life cycle improvement challenges in extremely harsh working conditions. This article discusses examples from various industries where new materials and surface modifications are used to extend the useful life of engineering components and equipment.

This article presents examples of engineered parts where PEEK (polyether ether ketone) thermoplastics have replaced traditional materials such as stainless steel, aluminum, titanium, and glass.

News about ASM members, chapters, events, awards, conferences, affiliates, and other society activities. Topics include: ASM affiliate societies announce officers and board members for 2015; highlights from MS&T 2015 held in Columbus, Ohio; volunteer profile for Nate Eisinger.

Integrated computational materials engineering has proven effective in shrinking materials development timelines and accelerating the implementation of new materials in manufactured components. This article presents examples of aerospace alloys developed using ICME techniques and provides a glimpse of future applications.

Developments in titanium technology and opportunities for increased use in several markets were highlighted at the 13th World Conference on Titanium. This article reviews some of the key technical topics covered at the conference, including new alloy development and innovative characterization methods.

A joint research project has been initiated to develop surface treatments that comply with European Union REACH regulations, which address the production and use of chemical substances and their impact on human health and the environment. This article describes the roles of the partner organizations in the project.

Materials testing systems must be robust and flexible, capable of determining the mechanical properties of a broad range of materials and components ranging from metals to composites and from plastics to natural, bio-based materials. This article provides an overview of electromechanical testing systems, servohydraulic systems, and vibrophores for high cycle fatigue testing.

The aerospace industry could benefit from recent progress in making near net shape titanium extrusions for applications beyond the long structural components of an aircraft.

The cost of electric power is the biggest expense involved in aluminum production. Proximity to economical power sources determined the location of major aluminum reduction plants. This article describes the development of the aluminum industry in the early part of the twentieth century.

The titanium industry was launched in the 1950s and required the efforts of numerous metallurgical engineers and research laboratories, nearly a dozen corporations, and titanium metal producers, along with hundreds of millions of dollars.

This article presents a brief overview of thermally sprayed thermal barrier coatings (TBCs) used in gas turbines that generate electrical power.

Nondestructive evaluation comprises a large family of specific test disciplines including visual inspection, dimensional metrology, ultrasound, radiography, penetrant tests, magnetic particle tests, leak tests, eddy current tests, potential drop tests, flash and vibrothermography, shearography, acoustic emissions, and many other methods. This article offers an overview of NDE science and discusses some key considerations for choosing specific techniques.

Aircraft engines that minimize fuel consumption and operate on sustainable aviation fuels are key to meeting the air transportation sector’s commitment to net zero CO 2 emissions by 2050. This article reports on work to implement sustainable propulsion technologies, including advanced gas turbine propulsion technologies, engines that are compatible with approved sustainable aviation fuels, hybrid-electric propulsion, and hydrogen propulsion. The article also describes efforts to reduce the environmental footprint related to condensation trails (contrails) from aircraft engine exhaust plumes.

The invention of the single crystal jet engine blade under Frank Versnyder and a team of scientists at the Pratt & Whitney Division of United Technologies is considered one of the 50 greatest advances in metallurgical history.

Throughout its 100-year history, the Materials and Manufacturing Directorate has conducted groundbreaking critical research programs responsible for a multitude of technological advances. This article summarizes just a few of the significant achievements of the directorate during its history.

Alcoa’s aluminum monopoly continued throughout the 1920s and 1930s—a serious problem when World War II demands far exceeded production capacity. This articles reviews advances in aluminum technology during the war and the postwar period.

The 15th World Conference on Titanium included papers on titanium alloy development, efforts to reduce Ti powder costs, additive manufacturing, and computational materials modeling tools. This article reviews some of the key advances reported at the conference.

Laser shock peening is a novel surface engineering method that improves component performance by introducing deep compressive residual stress. It has demonstrated significant benefits in safety-critical applications such as aerospace engines. Ongoing research focuses on lowering the cost and increasing equipment flexibility.