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AERODEF 2015: Meeting the Challenge of Composites

George N. Bullen, President and CEO, Smart Blades Inc.

3/5/2015

Carbon fiber composites “grew up” in the airline world for replacement of metal parts. Today, they are reaching maturity as an integral part of aerospace manufacturing. But the growing pains continue, according to George N. Bullen, FSME, CPIM, who has spent his career working in space and space technologies and is now president/CEO of Smart Blades, Inc. Full Article

LIFT Plans to Coordinate With Composites Manufacturing Institute



Senior Editor Bill Koenig

3/31/2015

A Detroit-based group working on lightweight materials plans to coordinate with a similar Tennessee-based organization trying to develop composite materials.“We’re looking at how we should collaborate,” said Lawrence Brown, executive director of Lightweight Innovations for Tomorrow, or LIFT, the Detroit-based group that’s part of the National Network for Manufacturing Innovation, or NNMI, an initiative of the Obama administration to speed development of advanced manufacturing.   Full Article

Aluminum Joining Manual Proves a Hit



Executive Editor James D. Sawyer

3/5/2015

The automotive industry’s current emphasis on lightweighting—and the introduction of the aluminum intensive 2015 Ford F-150—has focused a lot of attention on substituting aluminum for ferrous metals. One of the apparent hurdles facing that substitution is how to join aluminum, both to itself and to dissimilar materials. Full Article

Optimize Process for Best Performance



Senior Editor Jim Lorincz

3/1/2015

Planning for successful machining of titanium starts where machining of any material begins—with a capable machine tool, appropriate spindle power, tooling connection, cutting tool geometry, and secure workholding. Machining titanium and heat resistant super alloys (HRSA) is complicated by the very characteristics of the materials that make them highly desirable for aerospace components—high strength-to-weight ratio and high heat resistance. Full Article

ExOne Expects to Hasten New Materials for 3D Printing



Senior Editor Bill Koenig

3/2/2015

ExOne Co. expects to make more materials available faster for 3D printing.“What you’ll see is a large number of powders that will be certified on our printers at a pretty good pace,” Rick Lucas, ExOne’s chief technology officer, said in a telephone interview. “I can’t comment on specific numbers and timing. It’s being driven by our customers.” Full Article

ExOne Says 6 New Materials Now Printable on Its Systems



Senior Editor Bill Koenig

2/19/2015

ExOne Co., a maker of 3D printing machines, said six new materials are now printable on its systems, a move that may expand markets for additive manufacturing.The six materials are: Cobalt-Chrome, IN Alloy 718, Iron-Chrome-Aluminum, 17-4 Stainless Steel, 316 Stainless Steel and Tungsten Carbide. Cobalt-Chrome and IN Alloy 718 are used in aerospace. Full Article

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