Essays about: "Cobalt Chrome"

Found 5 essays containing the words Cobalt Chrome.

  1. 1. The effects of spinal implant wear debris particles

    University essay from Uppsala universitet/Tillämpad materialvetenskap

    Author : Cecilia Thomas; Eslam El Ammarin; [2021]
    Keywords : spine; implant; wear; debris; particles; ryggimplantat; implantatpartiklar; partiklar; implantat;

    Abstract : The goal of this literature study was to study the effects of spinal implant wear debris particles on the body in general, and on microglia cells in particular. The method of the literature study was searching for scientific peer-reviewed papers on the topic.  Spinal implants are used to fix spinal problems such as deformities or injuries. READ MORE

  3. 2. Shear Strength Between Adhesive Cement and Yttria-Stabilized-Zirconia and Cobalt-Chrome Alloy With and Without Retentive Holes - an in vitro study

    University essay from Umeå universitet/Institutionen för odontologi

    Author : Rihan Issa; Nuray Acar; [2017]
    Keywords : shear strength; dental alloys; resin-bonded; chromium alloys; resin cement; zirconium oxide.;

    Abstract : ABSTRACT De-bonding is the most common failure of resin-bonded fixed partial dentures. The aim was to determine if the shear bond strength (SBS) differed between a dental adhesive and a Co-Cr alloy and an yttria-stabilized zirconia (Y-TZP). READ MORE

  4. 3. Geometrical accuracy of metallic objects produced with Additive or Subtractive Manufacturing: a comparative in-vitro study

    University essay from Malmö högskola/Odontologiska fakulteten (OD)

    Author : David Jönsson; Mir Kevci; [2017]
    Keywords : Additive manufacturing; Subtractive manufacturing; Accuracy; Precision; Selective laser sintering; Dentistry; 3d printing; Cobalt Chrome; Titanium;

    Abstract : Syftet: Utvärdera produktionstolerans av objekt som producerats genom additiv framställningsteknik (AF) för användning inom tandvård, samt att jämföra denna teknik med subtraktiv framställningsteknik (SF) genom reverse engineering.Material och metod: Tio exemplar av två olika geometriska objekt framställdes från fem olika AF maskiner och en SF maskin. READ MORE

  5. 4. Controversial Materials : Ethical issues in the production of mineral based raw materials

    University essay from Uppsala universitet/Institutionen för teknikvetenskaper

    Author : Emma Buratovic; Dervis Cocalic; Kasper Eliasson; Matilda Danestig; Linus Everlid; [2017]
    Keywords : controversial materials; environmental impact; social impact; minerals forecast; mining; critical materials; non-critical materials; aluminium; cobalt; copper; graphite; chrome; lithium; manganese; nickel; REEs; rare earth elements; scandium; silver; zinc; lead; PGM; NGO; non-government organisation;

    Abstract : This report has investigated the ethical issues associated with mining or processing of materials that make them considered as controversial. For each material, the main areas of use and the top producing countries are analysed, followed by social and/or environmental issues as well as potential problems in the future. READ MORE

  6. 5. Gimo bruksområde : inventering och riskklassning enligt MIFO fas 1

    University essay from SLU/Dept. of Soil Sciences

    Author : Helene Boström; [2006]
    Keywords : förorenade områden; MIFO; riskklassningar; järnbruk; mineralullsindustri; deponi;

    Abstract : This master thesis encompasses an inventory of the older industrial community of Gimo. Investigations of the contamination situation for each industrial area were done. A risk classification according to the Swedish Environmental Protection Agency's "Method of Surveying Contaminated Sites", phase one, followed. READ MORE