Sökning: "Crater Wear"

Visar resultat 6 - 9 av 9 uppsatser innehållade orden Crater Wear.

1. 6. Tool wear in turning titanium alloys

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för kemi - Ångström

   Författare :Magnus Johansson; [2015]
   Nyckelord :Titanium machining; Tool wear; Crater wear; Turning; WC Co cutting tool;

   Sammanfattning : In this master thesis, performed at AB Sandvik Coromant, wear and tool life of uncoated WC/Co grades have been investigated during longitudinal turning of the titanium alloy Ti-6Al-4V. Due to titanium’s poor thermal conductivity and high chemical reactivity towards most metals, high temperature is achieved between the tool and workpiece material, resulting in high tool wear rates. LÄS MER

3. 7. Relations between the performance of a coated cutting tool and the composition and properties of the wear resistant coating : A study including first principles modeling, mechanical properties and technological testing

   Uppsats för yrkesexamina på avancerad nivå, Materialteori; Institutionen för kemi - Ångström

   Författare :Maria Bryngelsson; [2013]
   Nyckelord :Thin film; coating; wear; density functional theory; first principles; ab initio; turning;

   Sammanfattning : This thesis work was performed at AB Sandvik Coromant and aimed to enhance the knowledge about the relationships between the performance of TiN and TiAlN-coated cutting tools in metal turning and their mechanical and chemical properties. Measurements of coating material properties and turning wear tests in annealed tool steel Sverker 21, stainless steel 316L, grey cast iron V314 and nodular cast iron SS0727 were performed. LÄS MER

4. 8. Tool wear in titanium machining

   Uppsats för yrkesexamina på avancerad nivå, Institutionen för kemi - Ångström

   Författare :Stina Odelros; [2012]
   Nyckelord :Tool wear; titanium machining; WC Co cutting tool; tool wear prediction; cutting temperature;

   Sammanfattning : The present work was performed at AB Sandvik Coromant as a part in improving the knowledge and understanding about wear of uncoated WC/Co cutting tools during turning of titanium alloy Ti-6Al-4V. When machining titanium alloys, or any other material, wear of the cutting tools has a huge impact on the ability to shape the material as well as the manufacturing cost of the finished product. LÄS MER

5. 9. Samband mellan tjockleken hos PVD-skikt och förslitningsbeteendet vid svarvning

   Master-uppsats,

   Författare :Ludvig Landälv; [2008]
   Nyckelord :Metal cutting; TiAlN; turning; coating thickness; Skärande bearbetning; TiAlN; svarvning; skikttjocklek;

   Sammanfattning : This project has as main goal to study the influence of the coating thickness, deposited by arc-PVD- technology, on the wear resistance of coated cemented carbide inserts in three different turning operations. An additional effort has also been made to develop a new test method for evaluating flank wear resistance. LÄS MER