Keyword: Peening

Briefs: Manufacturing & Prototyping
Improving Friction Stir Welds Using Laser Peening

Friction stir welding (FSW) has emerged as a promising solid-state process with encouraging results, particularly when used on high-strength aerospace aluminum alloys that are generally difficult to weld. Laser peening has been applied to the mechanical and fatigue properties of welded joints....

Articles: Motion Control

Solving a machine vision application, whether it involves quality inspection, part verification or any number of additional tasks, requires taking several factors into...

Articles: Photonics/Optics

Historically, high-energy (Joule-class) nanosecond YAG lasers have been confined primarily to laboratory research facilities and government labs. System designs were unique for...

Briefs: Manufacturing & Prototyping

Two simple, effective techniques for attaching thermocouples to metal substrates have been devised for high- temperature applications in which attachment by such conventional means as welding,...

Briefs: Manufacturing & Prototyping

Low-plasticity burnishing (LPB) has been devel- oped as an affordable means of imparting residual compressive stresses to surface layers of metal parts (especially engine components) in order to increase their...

Briefs: Information Technology
Compressed Symbology — Making Its Mark at NASA

Compressed symbology is a product-identification method that was pioneered by NASA for tracking space-shuttle parts and is now being used to mark everything from groceries to automobile parts. Based on a system of two-dimensional marks applied to parts, compressed symbology was developed at NASA's...

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