Paper Title:
Assessment of Machining Characteristics of Austempered Ductile Iron
  Abstract

Austempered Ductile Iron (ADI) is a modified Spheroidal Graphite Iron (SGI) produced by applying a two-stage heat treatment cycle of austenitising and austempering. The microstructure of ADI also known as “ausferrite” consists of ferrite, austenite and graphite nodules. Machining ADI using conventional techniques is often problematic due to the microstructural phase transformation from austenite to martensite. Machining trials consisted of drilling ADI-Grades900, 1050, 1200 and 1400 using inserted (TiAlN PVD coated) type drills. The cutting parameters selected were; cutting speeds [m/min] of 30 and 40; penetration rates [mm/rev] of 0.1 and 0.2; to a constant depth of 20mm. The machining characteristics of ADI are evaluated through surface texture analysis and microhardness analysis. These results indicate that microhardness is modified during machining and surface texture is improved using a cutting fluid.

  Info
Periodical
Advanced Materials Research (Volumes 97-101)
Edited by
Zhengyi Jiang and Chunliang Zhang
Pages
2036-2039
DOI
10.4028/www.scientific.net/AMR.97-101.2036
Citation
A. Polishetty, G. Littlefair, "Assessment of Machining Characteristics of Austempered Ductile Iron ", Advanced Materials Research, Vols. 97-101, pp. 2036-2039, 2010
Online since
March 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Dong Dong Wan, Xu Hong Guo, Chi Hong Wang
Abstract:Three different cutting tools (ceramics CC6050, cubic boron nitride CB7025, carbide GC2025) were used for dry cutting of 3 groups of ADI...
38
Authors: Ashwin Polishetty, Guy Littlefair, Timotius Pasang
Chapter 1: Advanced Materials Engineering and Technology
Abstract:Austempered Ductile Iron (ADI) is a type of nodular, ductile cast iron subjected to heat treatments - austenitising and austempering. Whilst...
247
Authors: Anil Meena, Mohamed El Mansori
Chapter 13: Machining and Cutting
Abstract:Near-net shape austempered ductile iron (ADI) castings can be considered as a significant economic advantage to the increasing industrial...
1271