John Hald

John Hald

Professor

DTU MECHANICAL ENGINEERING
Department of Mechanical Engineering

Section of Materials and Surface Engineering

Technical University of Denmark

Produktionstorvet

Building 425, room 219

2800 Kgs. Lyngby

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2013
 

Investigation on Long-term Creep Rupture Properties and Microstructure Stability of Fe-Ni based Alloy Ni-23Cr-7W at 700°C

Tokairin, Tsuyoshi ; Dahl, Kristian Vinter ; Danielsen, Hilmar Kjartansson ; Grumsen, Flemming Bjerg ; Hald, John ; Sato, Takashi
in journal: Materials Science & Engineering: A (ISSN: 0921-5093) (DOI: http://dx.doi.org/10.1016/j.msea.2012.12.019), vol: 565, pages: 285-291, 2013

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: http://dx.doi.org/10.1016/j.msea.2012.12.019

 

Identification of Precipitates in an IN792 Gas Turbine Blade after Service Exposure

Dahl, Kristian Vinter ; Hald, John
in journal: Praktische Metallographie (ISSN: 0032-678X), vol: 50, issue: 6, pages: 432-450, 2013

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013

2012
 

Atomic resolution imaging of precipitate transformation from cubic TaN to tetragonal CrTaN

Danielsen, Hilmar Kjartansson ; Hald, John ; Somers, Marcel A. J.
in journal: Scripta Materialia (ISSN: 1359-6462) (DOI: http://dx.doi.org/10.1016/j.scriptamat.2011.11.005), vol: 66, issue: 5, pages: 261-264, 2012

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: http://dx.doi.org/10.1016/j.scriptamat.2011.11.005

 

Atomic resolution investigations of phase transformation from TaN to CrTaN in a steel matrix

Danielsen, Hilmar Kjartansson ; Hald, John
in journal: Materials Science Forum (ISSN: 0255-5476) (DOI: http://dx.doi.org/10.4028/www.scientific.net/MSF.706-709.823), vol: 706-709, pages: 823-828, 2012
Presented at:
7th International Conference on Processing and Manufacturing of Advanced Materials, 2011, Quebec City, QC

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: http://dx.doi.org/10.4028/www.scientific.net/MSF.706-709.823

2011
 

High-temperature lead-free solder alternatives

Nachiappan, Vivek Chidambaram ; Hattel, Jesper Henri ; Hald, John
in journal: Microelectronic Engineering (ISSN: 0167-9317) (DOI: http://dx.doi.org/10.1016/j.mee.2010.12.072), vol: 88, issue: 6, pages: 981-989, 2011

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: http://dx.doi.org/10.1016/j.mee.2010.12.072

2010
 

High-Temperature Lead-Free Solder Alternatives: Possibilities and Properties

Nachiappan, Vivek Chidambaram ; Hald, John ; Hattel, Jesper Henri
Presented at:
The Minerals, Metals and Materials Society Symposium, 2010, Washington State Convention Center, Seattle, Washington, United States

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2010

 

Development of Au-Ge based candidate alloys as an alternative to high-lead content solders

Nachiappan, Vivek Chidambaram ; Hald, John ; Hattel, Jesper Henri
in journal: Journal of Alloys and Compounds (ISSN: 0925-8388) (DOI: http://dx.doi.org/10.1016/j.jallcom.2009.10.108), vol: 490, issue: 1-2, pages: 170-179, 2010

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: http://dx.doi.org/10.1016/j.jallcom.2009.10.108

 

Conversion of MX nitrides to Z-phase in a martensitic 12% Cr steel

Cipolla, L. ; Danielsen, Hilmar Kjartansson ; Venditti, D. ; Di Nunzio, P.E. ; Hald, John ; Somers, Marcel A. J.
in journal: Acta Materialia (ISSN: 1359-6454) (DOI: http://dx.doi.org/10.1016/j.actamat.2009.09.045), vol: 58, issue: 2, pages: 669-679, 2010

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: http://dx.doi.org/10.1016/j.actamat.2009.09.045

 

Measuring laves phase particle size and thermodynamic calculating its growth and coarsening behavior in P92 steels

Yao, Bing-Yin ; Zhou, Rong-Can ; Fan, Chang-Xin ; Li, Tai-Jiang ; Hald, John
in journal: Zhongguo Dianji Gongcheng Xuebao (ISSN: 0258-8013), vol: 30, issue: 8, pages: 94-100, 2010

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010

 

On the role of Nb in Z-phase formation in a 12% Cr steel

Cipolla, L. ; Danielsen, Hilmar Kjartansson ; Di Nunzio, P.E. ; Venditti, D. ; Hald, John ; Somers, Marcel A. J.
in journal: Scripta Materialia (ISSN: 1359-6462) (DOI: http://dx.doi.org/10.1016/j.scriptamat.2010.04.025), issue: 63, pages: 324-327, 2010

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: http://dx.doi.org/10.1016/j.scriptamat.2010.04.025