Bending Fatigue

Scratching the Surface: How Surface Engineering Fills in the Gaps that AM Leaves Behind

Posted by on Wednesday, May 12th, 2021 in

Prior to 3D printing’s arrival on the manufacturing scene, the US military supply chain was often met with lengthy and arduous timelines for critical asset production. This not only stalled the manufacture and repair of essential equipment within t...

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Mechanical Paste Polishing vs. CAVF Finishing of Gears

Posted by on Monday, August 3rd, 2020 in

A recent Materials Matter article compared generic deburring versus CAVF (chemically accelerated vibratory finishing.) Both techniques are conducted in a vibratory unit....

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Metal Finishing for 3D Printed Parts Webinar – Part 8 – LATTICE BRACELET

Posted by on Tuesday, July 7th, 2020 in

Metal Finishing for 3D Printed Parts While many can be put into operation as sintered, there are a number of […]...

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Metal Finishing for 3D Printed Parts Webinar – Part 4 – PARACHUTE RINGS

Posted by on Monday, July 6th, 2020 in

Metal Finishing for 3D Printed Parts While many can be put into operation as sintered, there are a number of […]...

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Metal Finishing for 3D Parts Webinar – Part 3 – GEARS

Posted by on Monday, July 6th, 2020 in

Metal Finishing for 3D Printed Parts While many can be put into operation as sintered, there are a number of […]...

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Materials Matter : Roughness Measurement Tips: Calibration, the Razor Blade Test

Posted by on Tuesday, February 25th, 2020 in

If a problem is found with a contact stylus profilometer during routine check with a Rubert-Song specimen, do a little troubleshooting before sending it off for calibration and recertification....

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Surface Treatment of Powder-Bed Fusion Additive Manufactured Metals for Improved Fatigue Life

Posted by on Friday, January 11th, 2019 in

High-cycle fatigue (HCF) tests were conducted on samples fabricated by two powder-bed additive manufacturing techniques....

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AH-64 Loss of Lubrication Study: Test of Isotropic Superfinished AH-64 (Apache) Engine Nose Gearbox Without Black Oxide Coating

Posted by on Wednesday, September 19th, 2018 in

Rotorcraft gearboxes are designed to the utmost precision to withstand the tremendous demand and loads required to convert thousands of horsepower and RPM into hundreds of RPM and lift torque....

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Gear Expo Live! Ask the Expert with Mark Michaud

Posted by on Friday, February 23rd, 2018 in

Gear Technology speaks with Mark Michaud, REM Technical Fellow of REM Surface Engineering, is the inventor and pioneer of REM […]...

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Future Advanced Rotorcraft Drive System (FARDS) Full Scale Gearbox Demonstration

Posted by on Tuesday, June 6th, 2017 in

The Future Advanced Rotorcraft Drive System (FARDS) program focused on improving the performance and affordability of current aircraft drive systems....

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Gear Corrosion During the Manufacturing Process

Posted by on Tuesday, November 19th, 2013 in

No matter how well gears are designed and manufactured, gear corrosion can occur that may easily result in catastrophic failure. Since corrosion is sporadic and a rare event and often difficult to observe in the root fillet region or in finely pitche...

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Materials Matter: Gear Corrosion in the Manufacturing Process

Posted by on Tuesday, January 31st, 2017 in

No matter how well gears are designed and manufactured, gear corrosion can occur during the manufacturing process, which may, in turn, result in catastrophic failure....

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