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ASTM Selected Technical Papers
Composite Materials: Fatigue and Fracture: Fifth Volume
By
RH Martin
RH Martin
1
Materials Engineering Research Laboratory, Ltd. (MERL)
,
Hertford,
England
;
symposium chairman and editor
Search for other works by this author on:
ISBN-10:
0-8031-2012-5
ISBN:
978-0-8031-2012-9
No. of Pages:
376
Publisher:
ASTM International
Publication date:
1995

A series of instrumented impact tests have been carried out using two different CFRP laminates, IM6/937 with a relatively brittle matrix and T800H/3900-2 with a toughened matrix. Two impactor masses differing from each other by a factor of 20 were used to study the effect of impact velocity and rate of loading.

Differences in the target impact response were found when the panels were impacted with the same energy but at different velocities. The higher velocities led consistently to slightly higher measured peak forces, but lower maximum deflections. This difference is reflected in the resultant damage state. The measured delamination area is larger for the high-mass impacts at the same incident impact energy, particularly for the tough matrix system. However, when the delamination size is correlated with the impactor energy loss, the mass effect disappears. The low-mass, high-velocity impacts create large contact forces, which leads to significant fiber breakage on the impact face. Fiber breakage throughout the rest of a panel is lower, which can be explained by the lower maximum panel deflections observed in low-mass impacts. An energy balance that takes into account the work done in delamination and fiber breakage gives good agreement with the measured impactor energy loss over the complete range of impact energies tested.

1.
Abrate
,
S.
, “
Impact on Laminated Composite Materials
,”
Applied Mechanics Review
 0003-6900, Vol.
44
, No.
4
,
04
1991
, pp. 155–190.
2.
Cantwell
,
W. J.
, and
Morton
,
J.
, “
The Impact Resistance of Composite Materials—A Review
,”
Composites
, Vol.
22
, No.
5
,
09
1991
, pp. 347–362.
3.
Virostek
,
S. P.
,
Dual
,
J.
, and
Goldsmith
,
W.
, “
Direct Force Measurements in Normal and Oblique Impact of Plates by Projectiles
,”
International Journal of Impact Engineering
, Vol.
6
, No.
4
,
1987
, pp. 247–269.
4.
Lammerant
,
L.
,
Verpoest
,
I.
, and
Vlot
,
A.
, “
The Strain Rate Dependence of Mechanical Properties of Composites During Monotonic and Impact Loading
,”
Proceedings
, ICCM 8,
Tsai
S. W.
and
Springer
G. S.
, Eds.,
SAMPE
,
Covina, CA
,
1991
, pp. 32-K-1–32-K-7.
5.
Delfosse
,
D.
,
Pageau
,
G.
,
Bennett
,
R.
, and
Poursartip
,
A.
, “
Instrumented Impact Testing at High Velocities
,”
Journal of Composites Technology and Research, JCTRER
, Vol.
15
, No.
1
,
1993
, pp. 38–45.
6.
Sjöblom
,
P. O.
,
Hartness
,
J. T.
, and
Cordell
,
T. M.
, “
On Low-Velocity Impact Testing of Composite Materials
,”
Journal of Composites Materials
, Vol.
22
,
01
1988
, pp. 30–52.
7.
Bucinell
,
R. B.
,
Nuismer
,
R. J.
, and
Koury
,
J. L.
, “
Response of Composite Plates to Quasi-Static Impact Events
,”
Composite Materials: Fatigue and Fracture (Third Volume)
, ASTM STP 1110,
O'Brien
T. K.
, Ed.,
American Society for Testing and Materials
,
Philadelphia
,
1991
, pp. 528–549.
8.
Cantwell
,
W. J.
and
Morton
,
J.
, “
The Influence of Target Geometry on the High Velocity Impact Response of CFRP
,”
Composite Structures
, Vol.
10
,
1988
, pp. 247–265.
9.
Cantwell
,
W. J.
and
Morton
,
J.
, “
The Influence of Varying Projectile Mass on the Impact Response of CFRP
,”
Composite Structures
, Vol.
13
,
1989
, pp. 101–114.
10.
Cantwell
,
W. J.
and
Morton
,
J.
, “
Comparison of the Low and High Velocity Impact Response of CFRP
,”
Composites
, Vol.
20
, No.
6
,
11
1989
, pp. 545–551.
11.
Cantwell
,
W. J.
, “
Impact Perforation of Carbon Fibre Reinforced Plastic
,”
Composites Science and Technology
,Vol.
38
,
1990
, pp. 119–141.
12.
Gong
,
J. C.
and
Sankar
,
B. V.
, “
Impact Response and Damage of Braided Graphite/Epoxy Composites
,”
Proceedings
, American Society for Composites, Fourth Technical Conference,
Technomic Publishing Co.
,
Lancaster, PA
,
1989
, pp. 915–924.
13.
Dost
,
E. F.
,
Avery
,
W. B.
,
Ilcewicz
,
L. B.
,
Grande
,
D. H.
, and
Coxon
,
B. R.
, “
Impact Damage Resistance of Composite Fuselage Structure, Part I
,”
Proceedings
, Ninth DoD/NASA/FAA Conference on Fibrous Composites in Structural Design,
FA A Publication
,
Lake Tahoe
,
1991
.
14.
Chung
,
I. Y.
 et al
, “
Impact Resistant Design of Composite Structures
,” Final Report, Industry Science and Technology, Canada,
01
1991
.
15.
Dost
,
E. F.
,
Ilcewicz
,
L. B.
,
Avery
,
W. B.
, and
Coxon
,
B. R.
, “
Effects of Stacking Sequence on Impact Damage Resistance and Residual Strength for Quasi-Isotropic Laminates
,”
Composite Materials: Fatigue and Fracture (Third Volume)
, ASTM STP 1110,
O'Brien
T. K.
, Ed.,
American Society for Testing and Materials
,
Philadelphia
,
1991
, pp. 476–500.
16.
Suppliers of Advanced Composite Materials Association (SACMA) Recommended Test Method SRM 2-88
,”
SACMA
,
Arlington, VA
,
1988
.
17.
Advanced Composite Compression Tests
,” Boeing Specification Support Standard BSS 7270, Rev. C,
1988
.
18.
Falabella
,
R.
,
Olesen
,
K. A.
, and
Boyle
,
M. A.
, “
Variations in Impact Test Methods for Tough Composites
,”
Proceedings
, 35th International SAMPE Symposium, Vol.
35
, Book 2,
Society for the Advancement of Material and Process Engineering
,
Covina, CA
,
1990
, pp. 1454–1465.
19.
Dost
,
E. F.
,
Finn
,
S. R.
,
Stevens
,
J. J.
,
Lin
,
K. Y.
, and
Fitch
,
C. E.
, “
Experimental Investigations into Composite Fuselage Impact Damage Resistance and Post-Impact Compression Behavior
,”
Proceedings
, 37th International SAMPE Symposium & Exhibition,
Grimes
G. C.
, Ed.,
Society for the Advancement of Material and Process Engineering
,
Covina, CA
,
1992
.
20.
Daniel
,
I. M.
,
Yaniv
,
G.
, and
Peimanidis
,
G.
, “
Hygrothermal and Strain Rate Effects on Properties of Graphite/Epoxy Composites
,”
Journal of Engineering Material and Technology
, Transactions of the ASME, Vol.
110
,
1988
, pp. 169–173.
21.
Avery
,
W. B.
and
Grande
,
D. H.
, “
Influence of Materials and Layup Parameters on Impact Damage Mechanisms
,”
Proceedings
, 22nd International SAMPE Technical Conference,
Society for Advancement of Material and Process Engineering
,
Covina, CA
,
11
1990
.
22.
Kageyama
,
K.
,
Kimpara
,
I.
,
Ohsawa
,
I.
,
Hojo
,
M.
, and
Kabashima
,
S.
, “
Mode I and Mode II Delamination Growth of Interlayer-Toughened Carbon/Epoxy (T800H/3900-2) Composite System
,”
Composite Materials: Fatigue and Fracture (Fifth Volume)
, ASTM STP 1230,
Martin
R. H.
, Ed.,
American Society for Testing and Materials
,
Philadelphia
,
1995
.
23.
Ghasemi Nejhad
,
M. N.
and
Parvizi-Majidi
,
A.
, “
Impact Behaviour and Damage Tolerance of Woven Carbon Fiber-Reinforced Thermoplastic Composites
,”
Composites
, Vol.
21
, No.
2
,
03
1990
, pp. 155–168.
24.
Malvern
,
L. E.
,
Sun
,
C. T.
, and
Liu
,
D.
, “
Delamination Damage in Central Impacts at Subperforation Speeds on Laminated Kevlar/Epoxy Plates
,”
Composite Materials: Fatigue and Fracture (Second Volume)
, ASTM STP 1012,
Lagace
P. A.
, Ed.,
American Society for Testing and Materials
,
Philadelphia
,
1989
, pp. 387–405.
25.
Poursartip
,
A.
, “
Fatigue Damage Development in Notched (02/±45)s Laminates
,”
Composite Materials: Fatigue and Fracture (Second Volume)
, ASTM STP 1012,
Lagace
P. A.
, Ed.,
American Society for Testing and Materials
,
Philadelphia
,
1989
, pp. 45–65.
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