Structural characterization by x-ray diffraction of laser welded shape memory alloys

F. M. Braz Fernandes; K. K. Mahesh; C. M. Craciunescu; J. P.  Oliveira; N. Schell; R. M. Miranda; J. L. Ocaña

Structural characterization by x-ray diffraction of laser welded shape memory alloys

F. M. Braz Fernandes, K. K. Mahesh, C. M. Craciunescu, J. P. Oliveira, N. Schell, R. M. Miranda, J. L. Ocaña

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The demand of emerging joining techniques for shape memory alloys (SMA) has become of great importance, as their functional properties, namely shape memory effect (SME) and superelasticity (SE) present unique solutions for state-of-the-art applications. Literature shows that significant efforts have been conducted on laser welding of these alloys, although very limited results concerning mechanical properties are repeatedly achieved. A better understanding of the mechanical behaviour of these welded joints may be got through a detailed analysis of the structural characteristics of the material from the base metal to the weld bead. Such studies have been carried out on a series of Ni-rich Ni-Ti SMA laser welded plates using synchrotron radiation.

Original language	English
Title of host publication	PROCEEDINGS ICEM15
Subtitle of host publication	15th International Conference on Experimental Mechanics FEUP - EURASEM - APAET Porto, 22-27 July 2012
Editors	J. F. Silva Gomes, Mário A. P. Vaz
Place of Publication	Porto
Publisher	INEGI-Instituto de Engenharia Mecânica e Gestão Industrial
Pages	1-7
Number of pages	7
ISBN (Print)	978-972-8826-26-0
Publication status	Published - 2012
Event	15th International Conference on Experimental Mechanics - Porto, Portugal Duration: 22 Jul 2012 → 27 Jul 2012

Conference

Conference	15th International Conference on Experimental Mechanics
Abbreviated title	ICEM15
Country/Territory	Portugal
City	Porto
Period	22/07/12 → 27/07/12

Cite this

Braz Fernandes, F. M., Mahesh, K. K., Craciunescu, C. M., Oliveira, J. P., Schell, N., Miranda, R. M., & Ocaña, J. L. (2012). Structural characterization by x-ray diffraction of laser welded shape memory alloys. In J. F. S. Gomes, & M. A. P. Vaz (Eds.), PROCEEDINGS ICEM15: 15th International Conference on Experimental Mechanics FEUP - EURASEM - APAET Porto, 22-27 July 2012 (pp. 1-7). INEGI-Instituto de Engenharia Mecânica e Gestão Industrial.

Braz Fernandes, F. M. ; Mahesh, K. K. ; Craciunescu, C. M. et al. / Structural characterization by x-ray diffraction of laser welded shape memory alloys. PROCEEDINGS ICEM15: 15th International Conference on Experimental Mechanics FEUP - EURASEM - APAET Porto, 22-27 July 2012. editor / J. F. Silva Gomes ; Mário A. P. Vaz. Porto : INEGI-Instituto de Engenharia Mecânica e Gestão Industrial, 2012. pp. 1-7

@inproceedings{9bf7889ffafc481cb3180f47a3e3a27a,

title = "Structural characterization by x-ray diffraction of laser welded shape memory alloys",

abstract = "The demand of emerging joining techniques for shape memory alloys (SMA) has become of great importance, as their functional properties, namely shape memory effect (SME) and superelasticity (SE) present unique solutions for state-of-the-art applications. Literature shows that significant efforts have been conducted on laser welding of these alloys, although very limited results concerning mechanical properties are repeatedly achieved. A better understanding of the mechanical behaviour of these welded joints may be got through a detailed analysis of the structural characteristics of the material from the base metal to the weld bead. Such studies have been carried out on a series of Ni-rich Ni-Ti SMA laser welded plates using synchrotron radiation.",

keywords = "shape memory alloys, XRD, welding",

author = "{Braz Fernandes}, {F. M.} and Mahesh, {K. K.} and Craciunescu, {C. M.} and Oliveira, {J. P.} and N. Schell and Miranda, {R. M.} and Oca{\~n}a, {J. L.}",

note = "The authors would like to acknowledge the funding of FCT/MCTES for the project {\textquoteleft}MICROBOND - Joining micro to small scale systems in shape memory alloys using last generation infrared lasers{\textquoteright} (PTDC/EME-TME/100990/2008), as well as, the FCT/MCTES for the pluriannual financial support of CENIMAT/I3N and the project Smart Composites PTDC/CTM/66380/2006). JPO acknowledges the BI fellowship REF PTDC/EMETME/100990/2008 allocated by IDMEC in the framework of the MICROBOND project. ; 15th International Conference on Experimental Mechanics, ICEM15 ; Conference date: 22-07-2012 Through 27-07-2012",

year = "2012",

language = "English",

isbn = "978-972-8826-26-0",

pages = "1--7",

editor = "Gomes, {J. F. Silva} and Vaz, {M{\'a}rio A. P.}",

booktitle = "PROCEEDINGS ICEM15",

publisher = "INEGI-Instituto de Engenharia Mec{\^a}nica e Gest{\~a}o Industrial",

}

Braz Fernandes, FM , Mahesh, KK , Craciunescu, CM , Oliveira, JP, Schell, N, Miranda, RM & Ocaña, JL 2012, Structural characterization by x-ray diffraction of laser welded shape memory alloys. in JFS Gomes & MAP Vaz (eds), PROCEEDINGS ICEM15: 15th International Conference on Experimental Mechanics FEUP - EURASEM - APAET Porto, 22-27 July 2012. INEGI-Instituto de Engenharia Mecânica e Gestão Industrial, Porto, pp. 1-7, 15th International Conference on Experimental Mechanics, Porto, Portugal, 22/07/12.

Structural characterization by x-ray diffraction of laser welded shape memory alloys. / Braz Fernandes, F. M.; Mahesh, K. K.; Craciunescu, C. M. et al.
PROCEEDINGS ICEM15: 15th International Conference on Experimental Mechanics FEUP - EURASEM - APAET Porto, 22-27 July 2012. ed. / J. F. Silva Gomes; Mário A. P. Vaz. Porto: INEGI-Instituto de Engenharia Mecânica e Gestão Industrial, 2012. p. 1-7.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Structural characterization by x-ray diffraction of laser welded shape memory alloys

AU - Braz Fernandes, F. M.

AU - Mahesh, K. K.

AU - Craciunescu, C. M.

AU - Oliveira, J. P.

AU - Schell, N.

AU - Miranda, R. M.

AU - Ocaña, J. L.

N1 - The authors would like to acknowledge the funding of FCT/MCTES for the project ‘MICROBOND - Joining micro to small scale systems in shape memory alloys using last generation infrared lasers’ (PTDC/EME-TME/100990/2008), as well as, the FCT/MCTES for the pluriannual financial support of CENIMAT/I3N and the project Smart Composites PTDC/CTM/66380/2006). JPO acknowledges the BI fellowship REF PTDC/EMETME/100990/2008 allocated by IDMEC in the framework of the MICROBOND project.

PY - 2012

Y1 - 2012

N2 - The demand of emerging joining techniques for shape memory alloys (SMA) has become of great importance, as their functional properties, namely shape memory effect (SME) and superelasticity (SE) present unique solutions for state-of-the-art applications. Literature shows that significant efforts have been conducted on laser welding of these alloys, although very limited results concerning mechanical properties are repeatedly achieved. A better understanding of the mechanical behaviour of these welded joints may be got through a detailed analysis of the structural characteristics of the material from the base metal to the weld bead. Such studies have been carried out on a series of Ni-rich Ni-Ti SMA laser welded plates using synchrotron radiation.

AB - The demand of emerging joining techniques for shape memory alloys (SMA) has become of great importance, as their functional properties, namely shape memory effect (SME) and superelasticity (SE) present unique solutions for state-of-the-art applications. Literature shows that significant efforts have been conducted on laser welding of these alloys, although very limited results concerning mechanical properties are repeatedly achieved. A better understanding of the mechanical behaviour of these welded joints may be got through a detailed analysis of the structural characteristics of the material from the base metal to the weld bead. Such studies have been carried out on a series of Ni-rich Ni-Ti SMA laser welded plates using synchrotron radiation.

KW - shape memory alloys

KW - XRD

KW - welding

M3 - Conference contribution

SN - 978-972-8826-26-0

SP - 1

EP - 7

BT - PROCEEDINGS ICEM15

A2 - Gomes, J. F. Silva

A2 - Vaz, Mário A. P.

PB - INEGI-Instituto de Engenharia Mecânica e Gestão Industrial

CY - Porto

T2 - 15th International Conference on Experimental Mechanics

Y2 - 22 July 2012 through 27 July 2012

ER -

Braz Fernandes FM , Mahesh KK , Craciunescu CM , Oliveira JP, Schell N, Miranda RM et al. Structural characterization by x-ray diffraction of laser welded shape memory alloys. In Gomes JFS, Vaz MAP, editors, PROCEEDINGS ICEM15: 15th International Conference on Experimental Mechanics FEUP - EURASEM - APAET Porto, 22-27 July 2012. Porto: INEGI-Instituto de Engenharia Mecânica e Gestão Industrial. 2012. p. 1-7

Structural characterization by x-ray diffraction of laser welded shape memory alloys

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