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Development of Zirconia Toughened Alumina Cutting Tools

 

Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description
 

Zirconia Toughened Alumina (ZTA) cutting tool inserts were produced successfully by compaction method using nanosized 75 wt% pure alumina and 25 wt% pure zirconia powders. Raw materials were milled and mixed with binder and then tablet shaped cutting tool inserts were prepared using 300 MPa pressure and 1400-1450°C sintering temperatures. Microstructures of the tool were observed and important mechanical properties were measured. Cutting tool inserts containing as little as 2.94% porosity were being able to produce at 1450°C with the maximum true density 4.12gm/cc (compared to 4.38 gm/cc for theoretical density) and hardness of 11.45 GPa. An increase in sintering temperature produced denser and harder cutting tool inserts. The microstructure of sintered inserts showed zirconia grains dispersed in alumina grains, a structure that is usually obtained in this product. The cutting performances of the prepared ZTA inserts could not be quantified due to inappropriate tool holder geometry. However, from the data it is clear that this cutting tool inserts, when operated properly, would give a much better machining performance than the ordinary metal and metal composite cutting tool.

Product Specifications
SKU :COC10699
AuthorNusrat Jahan
LanguageEnglish
BindingPaperback
Number of Pages56
Publishing Year11/21/2010
ISBN978-3843368254
Edition1 st
Book TypeProduction engineering
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-07-23 00:00:00