Damage induced room temperature creep of titanium matrix composites

Clifford Jesse Lissenden, III, Carl T. Herakovich, Marek Jerzy Pindera

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Experimental results indicate that titanium matrix composites (TMC) can exhibit room temperature creep at moderate stress levels. Also, room temperature creep has been observed to initiate in monolithic titanium (Ti-15-3) at stress levels in excess of the proportional limit. A micromechanical model that explicitly includes fiber/matrix interfacial debonding has been used to predict how debonding affects the creep response of unidirectional silicon carbide/titanium (SiC/Ti) composites subjected to transverse tensile loading. The model clearly shows that a redistribution of stress from the fiber to the matrix occurs during debonding. The elevated local stresses in the matrix increase the susceptibility of the composite to creep. Room temperature creep in a completely debonded composite is predicted to initiate at an average composite stress that is 60% below the stress required to initiate creep in a perfectly bonded composite and 50% below that required to initiate creep in monolithic Ti-15-3.

Original languageEnglish (US)
Title of host publicationDurability of Composite Materials
PublisherASME
Pages39-49
Number of pages11
Volume51
StatePublished - 1994
EventProceedings of the 1994 International Mechanical Engineering Congress and Exposition - Chicago, IL, USA
Duration: Nov 6 1994Nov 11 1994

Other

OtherProceedings of the 1994 International Mechanical Engineering Congress and Exposition
CityChicago, IL, USA
Period11/6/9411/11/94

Fingerprint

Creep
Titanium
Composite materials
Debonding
Temperature
Fibers
Silicon carbide

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Lissenden, III, C. J., Herakovich, C. T., & Pindera, M. J. (1994). Damage induced room temperature creep of titanium matrix composites. In Durability of Composite Materials (Vol. 51, pp. 39-49). ASME.
Lissenden, III, Clifford Jesse ; Herakovich, Carl T. ; Pindera, Marek Jerzy. / Damage induced room temperature creep of titanium matrix composites. Durability of Composite Materials. Vol. 51 ASME, 1994. pp. 39-49
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title = "Damage induced room temperature creep of titanium matrix composites",
abstract = "Experimental results indicate that titanium matrix composites (TMC) can exhibit room temperature creep at moderate stress levels. Also, room temperature creep has been observed to initiate in monolithic titanium (Ti-15-3) at stress levels in excess of the proportional limit. A micromechanical model that explicitly includes fiber/matrix interfacial debonding has been used to predict how debonding affects the creep response of unidirectional silicon carbide/titanium (SiC/Ti) composites subjected to transverse tensile loading. The model clearly shows that a redistribution of stress from the fiber to the matrix occurs during debonding. The elevated local stresses in the matrix increase the susceptibility of the composite to creep. Room temperature creep in a completely debonded composite is predicted to initiate at an average composite stress that is 60{\%} below the stress required to initiate creep in a perfectly bonded composite and 50{\%} below that required to initiate creep in monolithic Ti-15-3.",
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Lissenden, III, CJ, Herakovich, CT & Pindera, MJ 1994, Damage induced room temperature creep of titanium matrix composites. in Durability of Composite Materials. vol. 51, ASME, pp. 39-49, Proceedings of the 1994 International Mechanical Engineering Congress and Exposition, Chicago, IL, USA, 11/6/94.

Damage induced room temperature creep of titanium matrix composites. / Lissenden, III, Clifford Jesse; Herakovich, Carl T.; Pindera, Marek Jerzy.

Durability of Composite Materials. Vol. 51 ASME, 1994. p. 39-49.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Damage induced room temperature creep of titanium matrix composites

AU - Lissenden, III, Clifford Jesse

AU - Herakovich, Carl T.

AU - Pindera, Marek Jerzy

PY - 1994

Y1 - 1994

N2 - Experimental results indicate that titanium matrix composites (TMC) can exhibit room temperature creep at moderate stress levels. Also, room temperature creep has been observed to initiate in monolithic titanium (Ti-15-3) at stress levels in excess of the proportional limit. A micromechanical model that explicitly includes fiber/matrix interfacial debonding has been used to predict how debonding affects the creep response of unidirectional silicon carbide/titanium (SiC/Ti) composites subjected to transverse tensile loading. The model clearly shows that a redistribution of stress from the fiber to the matrix occurs during debonding. The elevated local stresses in the matrix increase the susceptibility of the composite to creep. Room temperature creep in a completely debonded composite is predicted to initiate at an average composite stress that is 60% below the stress required to initiate creep in a perfectly bonded composite and 50% below that required to initiate creep in monolithic Ti-15-3.

AB - Experimental results indicate that titanium matrix composites (TMC) can exhibit room temperature creep at moderate stress levels. Also, room temperature creep has been observed to initiate in monolithic titanium (Ti-15-3) at stress levels in excess of the proportional limit. A micromechanical model that explicitly includes fiber/matrix interfacial debonding has been used to predict how debonding affects the creep response of unidirectional silicon carbide/titanium (SiC/Ti) composites subjected to transverse tensile loading. The model clearly shows that a redistribution of stress from the fiber to the matrix occurs during debonding. The elevated local stresses in the matrix increase the susceptibility of the composite to creep. Room temperature creep in a completely debonded composite is predicted to initiate at an average composite stress that is 60% below the stress required to initiate creep in a perfectly bonded composite and 50% below that required to initiate creep in monolithic Ti-15-3.

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M3 - Conference contribution

VL - 51

SP - 39

EP - 49

BT - Durability of Composite Materials

PB - ASME

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Lissenden, III CJ, Herakovich CT, Pindera MJ. Damage induced room temperature creep of titanium matrix composites. In Durability of Composite Materials. Vol. 51. ASME. 1994. p. 39-49