Characterization of Cracking within Thermal Spray Deposits by an Acoustic Emission Method-Extended Abstract

C. C. Berndt; C. K. Lin; S. H. Leigh

doi:10.1361/105996398770350800

Characterization of Cracking within Thermal Spray Deposits by an Acoustic Emission Method-Extended Abstract

C. C. Berndt, C. K. Lin, S. H. Leigh

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Four-point bend tests with in situ acoustic emission (AE) were used to study the cracking behavior of alumina-3 % titania materials prepared by gas- and water-stabilized plasma technologies (GSP and WSP, respectively). Catastrophic failure was observed for GSP-sprayed samples while WSP-sprayed samples exhibited microcracking before failure. The amplitude and energy distributions were also investigated, and it was determined that the percentage of macrocracks for GSP-sprayed samples is much larger than for WSP-sprayed samples. The processing effects, which induced differences in microstructure, may account for the differences in AE responses.

Original language	English
Pages (from-to)	334-336
Number of pages	3
Journal	Journal of Thermal Spray Technology
Volume	7
Issue number	3
DOIs	https://doi.org/10.1361/105996398770350800
Publication status	Published - Sept 1998
Externally published	Yes

Keywords

Acoustic emission
Cracking mechanisms
Cracking of composites
Thermal spray

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces, Coatings and Films
Materials Chemistry

Access to Document

10.1361/105996398770350800

Cite this

@article{b9d8f670339641c887fe6fb7c3f88b46,

title = "Characterization of Cracking within Thermal Spray Deposits by an Acoustic Emission Method-Extended Abstract",

abstract = "Four-point bend tests with in situ acoustic emission (AE) were used to study the cracking behavior of alumina-3 % titania materials prepared by gas- and water-stabilized plasma technologies (GSP and WSP, respectively). Catastrophic failure was observed for GSP-sprayed samples while WSP-sprayed samples exhibited microcracking before failure. The amplitude and energy distributions were also investigated, and it was determined that the percentage of macrocracks for GSP-sprayed samples is much larger than for WSP-sprayed samples. The processing effects, which induced differences in microstructure, may account for the differences in AE responses.",

keywords = "Acoustic emission, Cracking mechanisms, Cracking of composites, Thermal spray",

author = "Berndt, {C. C.} and Lin, {C. K.} and Leigh, {S. H.}",

note = "Funding Information: This research program has been supported by the National Science Foundation under the MRSEC-NSF-DMR 9632570.",

year = "1998",

month = sep,

doi = "10.1361/105996398770350800",

language = "English",

volume = "7",

pages = "334--336",

journal = "Journal of Thermal Spray Technology",

issn = "1059-9630",

publisher = "Springer New York",

number = "3",

}

TY - JOUR

T1 - Characterization of Cracking within Thermal Spray Deposits by an Acoustic Emission Method-Extended Abstract

AU - Berndt, C. C.

AU - Lin, C. K.

AU - Leigh, S. H.

N1 - Funding Information: This research program has been supported by the National Science Foundation under the MRSEC-NSF-DMR 9632570.

PY - 1998/9

Y1 - 1998/9

N2 - Four-point bend tests with in situ acoustic emission (AE) were used to study the cracking behavior of alumina-3 % titania materials prepared by gas- and water-stabilized plasma technologies (GSP and WSP, respectively). Catastrophic failure was observed for GSP-sprayed samples while WSP-sprayed samples exhibited microcracking before failure. The amplitude and energy distributions were also investigated, and it was determined that the percentage of macrocracks for GSP-sprayed samples is much larger than for WSP-sprayed samples. The processing effects, which induced differences in microstructure, may account for the differences in AE responses.

AB - Four-point bend tests with in situ acoustic emission (AE) were used to study the cracking behavior of alumina-3 % titania materials prepared by gas- and water-stabilized plasma technologies (GSP and WSP, respectively). Catastrophic failure was observed for GSP-sprayed samples while WSP-sprayed samples exhibited microcracking before failure. The amplitude and energy distributions were also investigated, and it was determined that the percentage of macrocracks for GSP-sprayed samples is much larger than for WSP-sprayed samples. The processing effects, which induced differences in microstructure, may account for the differences in AE responses.

KW - Acoustic emission

KW - Cracking mechanisms

KW - Cracking of composites

KW - Thermal spray

UR - http://www.scopus.com/inward/record.url?scp=0032167042&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0032167042&partnerID=8YFLogxK

U2 - 10.1361/105996398770350800

DO - 10.1361/105996398770350800

M3 - Article

AN - SCOPUS:0032167042

SN - 1059-9630

VL - 7

SP - 334

EP - 336

JO - Journal of Thermal Spray Technology

JF - Journal of Thermal Spray Technology

IS - 3

ER -

Characterization of Cracking within Thermal Spray Deposits by an Acoustic Emission Method-Extended Abstract

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this