Variation of the abrasive wear as a function of the retained austenite for ductile cast iron austempered between 260 and 370 C. Hardness decreases continuously with increasing tempering In Fig. 4, it can be seen a linear increase in the wear temperature while impact energy increases.

from austempered ductile iron was aimed and concluded at a later stage. The same casting and treat-ing conditions attributed to the optimum structure properties were used for production of the gear. Keywords Austempered, Ductile Iron Castings, Microstructure, Wear Resistance Subject Areas: Industrial Engineering, Mechanical Engineering 1.

May 15, 2014· To address the need for operation in abrasive conditions, this study aims to determine the wear behaviour of three different classes of cast irons (quenched and tempered nodular cast iron, austempered cast irons and high chromium white cast iron), relating the tests results to the toughness and the metallurgical features of the samples. 2.

Austempered Ductile Iron castings ( ADI castings) are manufactured by heat treating ductile cast iron; small quantities of nickel, copper and molybdenum are added to enhance hardenability. ADI castings offer exceptional strength-to-weight ratios, with …

Abstract: This study focused on tensile strength properties inclusive of ultimate tensile strength and elongation values of niobium alloyed ductile iron in as cast and austempered conditions. The tensile specimens were machined according to TS 138 EN 10002-1 standard.

STUDY OF HIGH TEMPERATURE ABRASIVE WEAR BEHAVIOR OF ... The results showed that in all cases, the nodular cast iron exhibits a higher wear resistance than the vermicular cast iron. Generally the examined vermicular and nodular cast irons exhibit the highest resistance to abrasion at 150 ... effect of wear environment temperature on the abrasive ...

Austempered cast irons have a unique microstructure (ausferrite) that provides for excellent wear properties. This paper will examine the available data in the literature on wear in several modes: abrasive wear, adhesive wear (frictional or sliding and rolling), and erosive wear. Additional wear dat

Wear and Abrasion Resistant Cast Irons (White Irons) Click here for the Metallurgy of Cast Iron. White cast irons are widely used in abrasive wear applications involved in the crushing, grinding, milling and handling of abrasive materials such as minerals and ores, both dry and as slurries.

literature on wear in several modes: abrasive wear, adhesive wear (frictional or sliding and rolling), and ... of applications of austempered ductile cast irons where wear properties are of concern INTRODUCTION The ausferrite microstructure of austempered cast irons ... completed a study on the erosive wear of ductile iron, including Grade 1 ...

Oct 24, 2001· An investigation of the abrasive wear behavior of ductile cast iron ... the abrasive wear behavior of ductile cast iron is studied in order to provide the proper matrix structures for wear resistant parts of ductile cast iron required to be employed under different conditions. ... Study on abrasive wear behavior and impact fatigue resistance of ...

the application area of castings under the harsh operating conditions of abrasive wear. Moreover, the study compares the results of abrasive wear resistance tests performed on the examined types of cast iron. Tests of abrasive wear resistance were carried out on a Miller machine.

For example, the application of an abrasion-resistant coating will enable a Ductile Iron casting to be both wear resistant, a surface property, and impact resistant, a bulk property. However, regardless of the engineering and aesthetic objectives, the main reason for using surface-treated Ductile Iron castings is that they offer the most cost ...

Journal of Materials Processing Technology 116 (2001) 176±181 An investigation of the abrasive wear behavior of ductile cast iron Zhen-Lin Lua,*, Yong-Xin Zhoua, Qi-Chang Raob, Zhi-Hao Jinb a School of Material Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China b School of Material Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China Received ...

A detailed review of wear resistance properties of austempered ductile iron (ADI) was undertaken to examine the potential applications of this material for wear parts, as an alternative to steels, alloyed and white irons, bronzes, and other competitive materials. Two modes of wear were studied: adhesive (frictional) dry sliding and abrasive wear.

THIN WALL AUSTEMPERED DUCTILE IRON: A BEST REPLACEABLE MATERIAL TO STEEL AND ALUMINUM Ganesh Vidyarthee 1* and K K Singh *Corresponding Author: Ganesh Vidyarthee, [email protected] In this paper the analysis of thin walled castings made of ductile iron is considered. It is shown that thin wall austempered ductile iron can be obtained by ...

An experimental investigation was carried out to study the structure of ductile iron castings which were selected to perform the investigation: 1.4% Ni - 0.3 Mo and 2.4% Ni - 0.3 Mo. After austenitizing at 880℃ for 1.3 hr, the two alloys were austempered at 250An experimental investigation was carried out to study the structure of ductile iron castings which were selected to perform the ...

Austempered ductile iron castings, or more commonly ADI castings, is a ductile iron casting which is processed by a special heat treatment. The austempering process, with ductile iron's superior castability, results in a material which can be used to cast complex shapes, with a greater consistency of quality, and often at less cost.

Abrasive Wear Studies on Austempered Ductile Iron Castings . By Siddaraju C, ... its mechanical and tribological behaviours.In the present Investigation successful attempts were made to subject ductile iron castings (conforming to IS 400/15- C 3.65%, Si 2.75%, Mn 0.35max, P 0.03max, S 0.015max, Mg 0.03%min) to austempering heat treatment cycle ...

studies of their application. carbon stabilized austenite " INTRODUCTION In 2002 of steel and cast ironHayrynen and Brandenberg1 published the paper "Agricultural Applications of Austempered Ductile Iron". The paper reviewed the properties exhibited by Austempered Ductile Iron (ADI) and its application agricultural components.

Abstract— The surface finish of ductile cast iron is improved by the incorporation of an extra phase in the matrix, typically consist of carbides. The objective of the present work is to produce carbides in a ductile cast iron which is subsequently austempered, to obtain the carbidic austempered ductile iron …

Nov 05, 2015· In abrasive wear mechanisms, austenitic ductile iron grades offer great wear resistance as well as improved strength. ADI grades of ductile iron are made by alloying the metal and heat treating. Corrosion Resistance Ductile iron's corrosion resistance is superior to unalloyed steel, and even highly alloyed steels in certain environments.

Request PDF on ResearchGate | Abrasive wear in Austempered Ductile Irons: A comparison with white cast irons | This work aims to evaluate the mechanical properties and the abrasive wear …

with austempered ductile irons, ductile iron quenched and tempered and AISI 4140 steel quenched and tempered. The results of this work have shown that nodular cast iron can have better fatigue resistance than AISI 4140 steel, if the nodules size is small …

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract-- Conventionally steels have enjoyed some kind monopoly in automotive and earthmoving applications like ripper tips and grader blades. The limitation of steels is that it is difficult to get a good combination of properties. Recent research efforts have focussed on austempered ductile iron as an alternative ...

In this study, to investigate the friction and wear behaviours of cutting tools made of YG8-cemented carbide in the process of cutting austempered ductile iron, friction and wear tests at different applied loads (100–500 N) and sliding speeds (40–120 m/min) under conditions of dry, chilled air and minimal quantity lubrication were carried out using a tribometer and a composite spray ...

Dec 10, 2013· This material is called carbidic austempered ductile iron, or CADI. It has improved abrasion resistance, strength and toughness, increasing CADI's use in wear-resistant castings in recent years. Figure 1 shows the as-cast microstructure of CADI. The number of spheroidal graphite is about 300/mm2, and the matrix consists of willemite and carbide.

In Austempered cast iron, this Ausferrite has very good abrasive wear properties because of its tendancy to "strain transform" on the abraded surface. Austempered Ductile Iron (ADI) can compete with much harder materials.

Austempered ductile iron castings, (or ADI castings) are ductile iron castings processed by a special heat treatment. The austempering process results in ductile iron which can be used to cast complex shapes, with a greater consistency of quality, and often at less cost. Click to learn more!