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ufacturing of High Temperature
Resistant Co-cured Composite Structures
using Carbon-BMI Prepreg
Exploded View of Engine bay Developmental approach to realize
door assembly of LCA-TEJAS co-cured Engine bay door assembly
Most of the composite structures for engine programs for the develop-
the aircraft have been developed ment of Composite fan blades, fan
using carbon-epoxy prepreg cases etc. This development opens
material system, which can withstand a new segment in the compos-
maximum service temperature of ite processing technology, where
120°C temperature. Hence this composite can be used up to ser-
material system cannot be used in vice temperature of 230°C in any
the hot zones like Engine vicinity engineering sector.
areas. Carbon-Bismaleimide (BMI)
materials are used on some of Salient Technical Features
the most important and complex
high performance application ¡¡ Autoclave processing of prepregs
ranging from military programs is a well-established technology
such as US Air Force F 22 to in the aircraft industry. It offers
Formula-1 race cars. excellent reliability and part qual-
ity mandated for airworthy parts
Year of Development : 2011-2018 using carbon-epoxy prepregs.
Similar level of confidence was
Application achieved by developing Engine
Bay Door (Middle) of LCA-TEJAS
¡¡ Carbon-BMI materials technol- for the first time in the country us-
ogy is useful for emerging aircraft ing Carbon-BMI prepreg.
SS 9
Resistant Co-cured Composite Structures
using Carbon-BMI Prepreg
Exploded View of Engine bay Developmental approach to realize
door assembly of LCA-TEJAS co-cured Engine bay door assembly
Most of the composite structures for engine programs for the develop-
the aircraft have been developed ment of Composite fan blades, fan
using carbon-epoxy prepreg cases etc. This development opens
material system, which can withstand a new segment in the compos-
maximum service temperature of ite processing technology, where
120°C temperature. Hence this composite can be used up to ser-
material system cannot be used in vice temperature of 230°C in any
the hot zones like Engine vicinity engineering sector.
areas. Carbon-Bismaleimide (BMI)
materials are used on some of Salient Technical Features
the most important and complex
high performance application ¡¡ Autoclave processing of prepregs
ranging from military programs is a well-established technology
such as US Air Force F 22 to in the aircraft industry. It offers
Formula-1 race cars. excellent reliability and part qual-
ity mandated for airworthy parts
Year of Development : 2011-2018 using carbon-epoxy prepregs.
Similar level of confidence was
Application achieved by developing Engine
Bay Door (Middle) of LCA-TEJAS
¡¡ Carbon-BMI materials technol- for the first time in the country us-
ogy is useful for emerging aircraft ing Carbon-BMI prepreg.
SS 9
