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  • Article - 9 Jun 2001
    Softening processes such as annealing and normalising, and hardening processes such as hardening, tempering, thermochemical processes, carburising, nitriding and boronising are all explained.
  • Article - 9 Jun 2001
    Thermal spraying is a generic name for a range of coating processes in which molten particles are accelerated toward a substrate using a variety of energy sources. The general process is defined and...
  • Article - 8 Jun 2001
    Superplastic forming is an alternative and novel method for producing dental implants. It is capable of producing complex prostheses that are lighter, more comfortable and stronger than similar...
  • Article - 8 Jun 2001
    Hydroforming is a forming process that uses fluid pressure in place of punches and dies. It can form complex parts that would otherwise require several punched and welded pieces. It is a process of...
  • Article - 8 Jun 2001
    Metal injection moulding is capable of producing large numbers of complex parts economically. Some of the types of parts this process is suited to are illustrated. The process is best described as a...
  • Article - 7 Jun 2001
    Hydrogenated nitrile rubber (HNBR) is a viable alternative to polychloroprene for many automotive applications such as timing belts, seals and hoses. It has excellent mechanical, thermo-oxidative and...
  • Article - 6 Jun 2001
    Laser welding has advantages over conventional resistance welding including non-contact nature, small heat affected zone and only requires access from one side. The process is explained and how it can...
  • Article - 6 Jun 2001
    Fogging of car windscreens has been linked to polyurethanes by analysing the chemicals present on the windscreen. Amines associated with PUs lead to this conclusion, while no evidence was found to...
  • Article - 5 Jun 2001
    Paper, natural fibres, glass, metals and many plastics are used as packaging materials. The reasons for their use and developments in the packaging industry are explained.
  • Article - 5 Jun 2001
    Porous silicon has semiconducting properties as well as displaying bioactivity. This makes it potentially a useful material for electronic implant devices. Properties and production are described.

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