Advances in welding science - a perspective

Title: Advances in welding science - a perspective

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Abstract

The ultimate goal of welding technology is to improve the joint integrity and increase productivity. Over the years, welding has been more of an art than a science, but in the last few decades major advances have taken place in welding science and technology. With the development of new methodologies at the crossroads of basic and applied sciences, enormous opportunities and potential exist to develop a science-based tailoring of composition, structure, and properties of welds with intelligent control and automation of the welding processes.

Authors:

David, S.A.; Vitek, J.M. ^[1]; Babu, S.S.; DebRoy, T. ^[2]

Oak Ridge National Lab., TN (United States)
Pennsylvania State Univ., University Park, PA (United States)

Publication Date:: Wed Feb 01 00:00:00 EST 1995

Research Org.:: Oak Ridge National Lab., TN (United States)

Sponsoring Org.:: USDOE, Washington, DC (United States)

OSTI Identifier:: 10118078

Report Number(s):: CONF-9410296-1
ON: DE95006745; TRN: 95:002061

DOE Contract Number:: AC05-84OR21400

Resource Type:: Conference

Resource Relation:: Conference: Welding Technology Institute of Australia (WTIA) annual conference,Melbourne (Australia),24-27 Oct 1994; Other Information: PBD: [1995]

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; WELDING; TECHNOLOGY ASSESSMENT; AUTOMATION; WELDED JOINTS; MICROSTRUCTURE; PHYSICAL PROPERTIES; PHASE TRANSFORMATIONS; WELDING MACHINES; DESIGN; HEAT TRANSFER; INCLUSIONS; POROSITY; SOLIDIFICATION; 360101; PREPARATION AND FABRICATION

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                    David, S.A., Vitek, J.M., Babu, S.S., and DebRoy, T. Advances in welding science - a perspective.  United States: N. p., 1995. 
        Web.

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                    David, S.A., Vitek, J.M., Babu, S.S., & DebRoy, T. Advances in welding science - a perspective.  United States.

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                    David, S.A., Vitek, J.M., Babu, S.S., and DebRoy, T. Wed .  
        "Advances in welding science - a perspective".  United States.  
        doi:.  https://www.osti.gov/servlets/purl/10118078.

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@article{osti_10118078,

  title        = {Advances in welding science - a perspective},

  author       = {David, S.A. and Vitek, J.M. and Babu, S.S. and DebRoy, T.},

  abstractNote = {The ultimate goal of welding technology is to improve the joint integrity and increase productivity. Over the years, welding has been more of an art than a science, but in the last few decades major advances have taken place in welding science and technology. With the development of new methodologies at the crossroads of basic and applied sciences, enormous opportunities and potential exist to develop a science-based tailoring of composition, structure, and properties of welds with intelligent control and automation of the welding processes.},

  doi          = {},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Feb 01 00:00:00 EST 1995},

  month        = {Wed Feb 01 00:00:00 EST 1995}

}

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Advances in welding science and technology

David, S.A. ; Babu, S.S. ; Vitek, J.M.

Over the years, welding has been more of an art than a science, but in the last few decades major advances have taken place in welding science and technology. With the development of new methodologies at the crossroads of basic and applied sciences, enormous opportunities and potential exist to develop a science-based design of composition, structure, and properties of welds with intelligent control and automation of the welding processes. In the last several decades, welding has evolved as an interdisciplinary activity requiring synthesis of knowledge from various disciplines and incorporating the most advanced tools of various basic applied sciences. Amore »« less
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Application of welding science to welding engineering: A lumped parameter gas metal arc welding dynamic process model

Murray, P.E. ; Smartt, H.B. ; Johnson, J.A.

We develop a model of the depth of penetration of the weld pool in gas metal arc welding (GMAW) which demonstrates interaction between the arc, filler wire and weld pool. This model is motivated by the observations of Essers and Walter which suggest a relationship between droplet momentum and penetration depth. A model of gas metal arc welding was augmented to include an improved model of mass transfer and a simple model of accelerating droplets in a plasma jet to obtain the mass and momentum of impinging droplets. The force of the droplets and depth of penetration is correlated bymore »« less
Full Text Available
Advances in welding processes: A user`s view of welding power sources

Siewert, T.A.

Power sources and their controllers perhaps offer the greatest potential for improving welding processes. Recently introduced features, such as high-frequency inverters and digital controls, have broadened the performance capabilities of power sources. Yet, for many users, these improvements have led to only modest gains in performance because the technical advances do not necessarily lead to better weldability. The author discusses the needs of the welding engineer and suggests how they might be fulfilled with these new power sources. Areas where the needs are not being met provide an opportunity for researchers to make major contributions. 120 refs., 5 figs.
Advances in the Surface Science of TiO2 – A Global Perspective

Chambers, Scott A. - Hyomen Kagaku. Journal of the Surface Science Society of Japan, 28(10):561-572

TiO2 rutile single-crystal surfaces have served has useful prototypical, well-defined specimens for fundamental investigations of oxide surface science for many years. As a result of both experimental and theoretical efforts, we have gained considerable insight into the structural, electronic, thermochemical and photochemical properties of pristine as well as defective surfaces. In this brief review, I summarize some of the recent advances that have been made in the laboratories of participants of the International Workshop of Oxide Surfaces (IWOX) series, principally on TiO2(110).
DOI: 10.1380/jsssj.28.561
Advances in welding science and technology

David, S.A.

The 94 papers in this book focus mainly on the basic welding research trends that are providing the thrust for further advances in welding technology. They also look at welding as an engineered science rather than an art. Because of this unique multidisciplinary approach to welding research, arc characteristics and arc-metal interactions are better understood.