High-Performance Composites

NOV 2014

High-Performance Composites is read by qualified composites industry professionals in the fields of continuous carbon fiber and other high-performance composites as well as the associated end-markets of aerospace, military, and automotive.

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N O V E M B E R 2 0 1 4 | 3 5 Fig. 6 Mitsubishi Aircraft Corp. (Nagoya, Japan) introduced its MRJ to capture a share of the regional carrier market. Carbon composites are featured in both structural and nonstructural elements (inset shows an MRJ on the wing/fuselage assembly line). Source: Mitsubishi Aircraft Corp. structures, rather than fberglass, and still uses Kevlar for ATR42 and ATR72 fu- selage fairings, tail cones, trailing edge panels and other airframe elements. With the entry of the ATR72 into ser- vice in 1988, the company began using carbon composites for the outer wing- box. "Until a few years ago, this part was one of the largest composite parts on a commercial aircraft," Bagnato says. Today, ATR reduces weight on its latest ATR72 model by using carbon compos- ites to build the primary structural outer wingbox skin, spars and internal ribs, and vertical and horizontal stabilizers, as well as secondary elements, includ- ing the nacelle fairing, engine cowl and fight controls (wing faps and aileron, and empennage rudder and elevator.) In Japan, Mitsubishi Aircraft Corp. (Nagoya) and parent company Mitsubi- shi Heavy Industries Ltd. (MHI, Tokyo) are winging into regional air with that country's frst commercial passenger jet, the Mitsubishi Regional Jet ( MRJ , see Fig. 6, this page). The MRJ family, thus far, boasts two models: the MRJ90 and the MRJ70 , designed to accommodate 90 and 70 passenger seats, respectively. Long a manufacturer of composite struc- tures and parts for other aircraft — most notably, Boeing's 787 — MHI determined to enter the feld with a high-end jet fea- turing a composite empennage and new- generation, fuel-effcient engines, built by Pratt & Whitney (Hartford, Conn.). Parts for the MRJ are manufactured pri- marily at MHI's Oye plant in Nagoya, and its nearby Tobishima plant, and assem- bled at MHI's Komaki South Plant. Hideto Kurosawa, head of public and customer relations for Mitsubishi Air- craft's Corporate Communications Group, expects growth in the overall market due to the steady increase in general passen- ger traffc across the spectrum of aircraft sizes. Replacement of smaller aircraft and upgauging to larger aircraft are considered strong factors in the expected growth. Overall, the MRJ will be approximately 10 percent composite materials. Glass fber-reinforced composites will be em- ployed in nonstructural areas, including the belly fairing, nose cone and fap hinge fairings. "The use of fberglass com- 11022 Vulcan St., South Gate, CA 90280 USA Phone 562.923.0838 Fax 562.861.3475 email tlukich@trindustries.com Save Time, Money and Headaches Complete Release Systems from Mold Polishing to Release Applications CALL NOW for effcient solutions to your Mold Release Applications IMPROVE YOUR MOLD SURFACE TOTAL RELEASE SYSTEMS www.trindustries.com

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