JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 43

AERONAUTICS
primary structure

Innovative composite
fan system for aero-engines

By

Hideo Morita, Doctor of
Engineering, Deputy Division Director,
tsutoMu MurakaMi, Manager, Engineering Dpt,

IHI Corp., together with its partners, recently developed an innovative
lightweight composite fan case and the first composite structural guide
vanes in the world. These technologies were applied successfully to the
Airbus A320neo, powered by the PW1100G-JM engine.

katsuyosHi Moriya, Manager, Engineering Dpt.
Civil Aero-Engine Division, Aero-Engine
& Space Operation, IHI Corporation

T

Significant weight reduction
The fan system, including the fan
case and SGVs, is a primary structural
part that typically increases in size
with an increasing bypass ratio. The
PW1100G-JM engine has a significantly higher bypass ratio than conventional aero-engines such as the V2500.
Applying composites effectively to the
engine components resulted in innovative advantages, including more than
20% weight reduction compared to the
V2500. In this project, a thermoplastic
material was selected for the SGVs and
it was the first time such a material was
applied to primary structural engine
parts. The thermoplastic parts for the

Aeronautically qualified
original materials
As part of this innovative project, the
materials were fully controlled by IHI
and IHI Aerospace as qualified materials
for aero-engines originally developed by
IHI and their partners.
The thermoplastic composites for the
SGVs showed extremely low delamination after testing at high velocity impact,
while the thermosetting composites for
the fan case exhibited superior impact
absorbing energy in high-velocity
impact testing, which was much better
than that of so-called toughened resins.

A well-controlled
manufacturing process
IHI manufactures these innovative
products at its own sites (IHI Soma
factory and IHI Aerospace). The SGVs
are processed by prepreg automated
cutting and laying up, press forming,
followed by machining, bonding,
painting and inspection processes.
The fan cases are produced by prepreg
automated winding, autoclave cure,
and then machining, bonding and
inspection steps.
Flying in the sky
The PW1100G-JM engine was certified by FAA in December 2014, while
the Airbus 320neo was certified in
November 2015. Commercial flights
with the engine started in January
2016. These innovative composite fan
parts are now in production at IHI's
Soma factory and at IHI Aerospace.
Part of this technology research was
conducted as part of a contract with
Japanese Aero Engines Corporation,
partially funded by the Ministry of
Economy, Trade and Industry of Japan,
as a part of the project "Advanced
Materials & Process Development for
Next Generation Aircraft Engines".

It is the first time that thermoplastic composites are
selected for primary structure parts in aircraft engines.

No112 April - May 2017

More information:
https://www.ihi.co.jp/en

/ jec composites magazine

Feature Aeronautics

his innovation reduces the
fan's weight by over 20%, thus
contributing to lowering the
fuel consumption of the PW1100GJM engine. It was developed by IHI
Corporation, IHI Aerospace and their
partners - the Industrial Technology
Centre of Fukui Prefecture, Mitsuya
Co., Shindo Co., Mitsubishi Rayon
Co, Ltd., and Toray Industries, Inc.
- and manufactured using IHI's own
materials, a thermoset for the fan case
and a thermoplastic composite for the
structural guide vanes (SGV).

SGVs are manufactured using a specially
designed and controlled manufacturing
line.

43


https://www.ihi.co.jp/en

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017

Cover
Edito
Opinion: Civilian robotic
Contents
NEWS
In brief
Yachting
Strategy
Fabric
Agenda
BUSINESS
Additive manufacturing
Carbon
MANUFACTURING
Press
Repair
CNC
Natural fibres
Feature Aeronautics - Will the horizon stay clear?
Simulation
Software
NDT
Tooling
Self healing
Primary structure
Natural fibre
Recycling
Environment
Structures
SOLUTIONS
Sustainability
Sailplane
Lift
Construction
In the world
TECHNOLOGY
Nanomaterials
Thermoplastics
CFRP
Index
Advertisers
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 68
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Cover
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 2
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Edito
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Opinion: Civilian robotic
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 5
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Contents
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 7
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - In brief
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 9
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Yachting
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 11
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Strategy
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 13
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Fabric
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 15
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Agenda
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 17
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Ad IPC
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Ad JEC
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Additive manufacturing
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 19
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Carbon
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 21
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 22
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Press
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 24
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Repair
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - CNC
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 27
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Natural fibres
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 29
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 30
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Simulation
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 32
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Software
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 34
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - NDT
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 36
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Tooling
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 38
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 39
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 40
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Self healing
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 42
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Primary structure
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 44
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Natural fibre
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 46
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 47
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Recycling
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 49
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Environment
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Structures
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 52
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 53
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Sustainability
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Sailplane
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Lift
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Construction
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - In the world
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Nanomaterials
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 60
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 61
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Thermoplastics
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 63
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - CFRP
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 65
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - Advertisers
JEC COMPOSITES MAGAZINE - Issue #112 - April/May 2017 - 67
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