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  • 1.
    Ljungberg, Lennart
    University of Skövde, School of Technology and Society.
    Des Produits Responsables: Des Choix de Design et Matériaux2006In: Designplus Magazine, ISSN 1274-5510, no 26, p. 37-42Article in journal (Other academic)
  • 2.
    Ljungberg, Lennart
    et al.
    University of Skövde, School of Technology and Society.
    Edwards, Kevin
    Design, materials selection and marketing of successful products2003In: Materials and Design, ISSN 0261-3069, Vol. 24, no 7, p. 519-529Article in journal (Refereed)
    Abstract [en]

    There are many things that make products successful in the market place. This paper is a comprehensive tool for understanding how to develop products with special respect to integrated product development. Materials selection, marketing and design analysis in the form of a design manual are presented as a tool for the product developer. Many different methods for materials selection and design have been presented over the last couple of decades. However, most methods have been limited to the material as a physical entity to give shape for a product. The method presented in this paper is an approach to present a materials selection model that is an integral part in an integrated product development model, in which both physical and metaphysical properties are analysed for different types of products. The new integrated product materials selection (IPMS) model presented incorporates factors such as fashion, market trends, cultural aspects, aesthetics and recycling, as well as the target group. Interesting examples of successful product contra failures are presented, as well as examples of materials selection for different products. Different methods for materials selection are discussed and analysed with respect to the IPMS method presented.

  • 3.
    Ljungberg, Lennart Y.
    University of Skövde, School of Technology and Society.
    Materials selection and design for development of sustainable products2007In: Materials & design, ISSN 0264-1275, E-ISSN 1873-4197, Vol. 28, no 2, p. 466-479Article in journal (Refereed)
    Abstract [en]

    How can we develop and produce more sustainable products? The author reviews current methods as well as presents models on how to develop sustainable products. Different methods for achieving products with as low environmental impact as possible are shown as well as principles for product development with special regards to materials selection, design, the product in use and recycling are given. Definition of a sustainable product, triple bottom line, dematerialisation, recycling, design considerations, ISO 14001 standard and the EMAS (Eco Management and Audit Scheme) regulation are examples of areas, which are reviewed in this article. Life cycle assessment, environmental impact, eco-efficiency, environmental space, market contacts, cultural aspects, fashion and trends are also reviewed. Guidelines for sustainable product development are presented with special regard to material, design and ecology. A description of materials selection and models for design based on a sustainable society is also presented. (c) 2005 Elsevier Ltd. All rights reserved.

  • 4.
    Ljungberg, Lennart Y.
    University of Skövde, School of Technology and Society.
    Responsible Products: Selecting Design and Materials2005In: Design Management Review, ISSN 1045-7194, Vol. 16, no 3, p. 64-71Article in journal (Refereed)
    Abstract [en]

    As a compendium of information about the relative merits of materials and methods of environmentally responsible design, this article is a real find. Lennart Y. Ljungberg is an associate professor in integrated product development at the University of Skovde, Sweden, as well as a scholar of materials science.

    What do we mean when we talk about responsible design? As Ljungberg points out, there is no one design or material that puts a product in this category. However, he's pretty clear about what constitutes a responsibly designed product: This is a product that has as little impact on the environment as possible during and after its lifetime-and lifetime includes the extraction of the materials and the energy used to manufacture the product, as well as how completely the product can be recycled or destroyed after it is no longer useful. Responsible design, Ljungberg adds, should also take into account issues of poverty and equal distribution and, of course, the prospects for selling the product at a reasonable profit.

    Ljungberg spends some time discussing environmental management systems (EMSs), which basically are tools for management to steer and control environmental effects. The international standard ISO 14001 and the Life Cycle Assessment (LCA) are two examples. LCA, which is probably the best-known, according to the author, evaluates a product's environmental impact "from cradle to grave."

    The rest of the article is largely given over to a discussion of materials selection, which is accompanied by a chart enumerating the advantages and disadvantages of a range of structural materials. Metals, for instance, are typically durable, conduct energy well, and recycle easily, but the cost to machine them is high, and much energy is consumed in their production. Natural organic materials (wood, for instance) are cheap to produce, renewable, and easy to recycle. However, they decompose quickly and are sensitive to high temperatures.

    Ljungberg continues with a discussion of recycling and disposal techniques and some general advice on more-efficient use of materials and minimized environmental impact, followed by a section on design strategies (design for recycling, design for disassembly, and design for substance reduction, for instance).

    This is an interesting article and should provide a great deal of food for thought.

  • 5.
    Narciso, Javier
    et al.
    Alicante Univ., Spain.
    Calderon, Noelia
    Alicante Univ., Spain.
    Rodriguez, Alejandro
    Alicante Univ., Spain.
    Sanchez, Segundo
    Alicante Univ., Spain.
    Reinoso, Francisco
    Alicante Univ., Spain.
    Rios, Rachel
    Alicante Univ., Spain.
    Ljungberg, Lennart
    University of Skövde, School of Technology and Society.
    Louis, Enrique
    Alicante Univ., Spain.
    New Graphite Based Composite Materials for Low Emission Combustion Engines2008In: International Conference on Carbon 2008 (CARBON 08), Nagano, Japan, 13-18 July 2008: Volume 1, Curran Associates, Inc., 2008, p. 62-63Conference paper (Refereed)
  • 6.
    Tekmen, C.
    et al.
    Dokuz Eylul University, Metallurgical and Materials Engineering Buca, Izmir 35160, Turkey.
    Saday, F.
    Dokuz Eylul University, Metallurgical and Materials Engineering Buca, Izmir 35160, Turkey.
    Cocen, U.
    Dokuz Eylul University, Metallurgical and Materials Engineering Buca, Izmir 35160, Turkey.
    Ljungberg, Lennart Y.
    University of Skövde, School of Technology and Society.
    An investigation of the effect of SiC reinforcement coating on the wettability of Al/SiC system2008In: Journal of composite materials, ISSN 0021-9983, E-ISSN 1530-793X, Vol. 42, no 16, p. 1671-1679Article in journal (Refereed)
    Abstract [en]

    In this study, the wetting behavior of oxide and metallic coated SiC substrate with Al-Si-Mg alloy has been investigated. SiC substrate and particles were coated with SiO(2), TiO(2), and metallic Ni by using thermo-chemical treatment, sol-gel and electroless coating techniques, respectively. Also, the effect of doping elements (Ni, Cu and Fe in TiO2 coating) on the wettability has been investigated. Coatings were characterized by SEM, EDS, XRD, and by means of surface roughness. Contact angle results demonstrate that metallic Ni coating significantly improves the wettability. However, doping elements did not alter the results due to their detrimental effect on surface roughness.

  • 7.
    Voytovych, R.
    et al.
    LTPCM, ENSEEG, Inst. Natl. Polytech. de Grenoble, D.U. BP 75, F-38402, St-Martin-d'Heres Cedex, France.
    Ljungberg, Lennart Y.
    University of Skövde, School of Technology and Society.
    Eustathopoluos, Nikos
    LTPCM, ENSEEG, Inst. Natl. Polytech. de Grenoble, D.U. BP 75, F-38402, St-Martin-d'Heres Cedex, France .
    The role of adsorption and reaction in wetting in the CuAg–Ti/alumina system2004In: Scripta Materialia, ISSN 1359-6462, E-ISSN 1872-8456, Vol. 51, no 5, p. 431-435Article in journal (Refereed)
    Abstract [en]

    The additions of previous termTi to CuAgnext term eutectic is known to strongly promote previous termwetting on alumina.next term However, it is still not clear whether this improvement is due to newly formed previous termreactionnext term products or to previous termadsorption.next term The aim of this study is to clarify the previous termrolenext term of interfacial previous termreactions on wettingnext term using new data generated by sessile drop experiments.

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