abrasive wear studies on austempered ductile iron castings

abrasive wear studies on austempered ductile iron castings

Agricultural Applications of Austempered Iron Components

Austempered Ductile Iron (ADI) and its application ... Engineers and designers have learned that ductile iron can be easily cast into complex shapes. By ... ADI an abrasive wear resistance that ...

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Effect of Austempering Time on Microstructure and Wear

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 austeni-tizing at 880˚C for 1.3 hr, the two alloys were austempered at 250˚C and 350˚C for time intervals of 60, 120, 240 minutes.

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Comparative study of the machinability of austempered and

Sahin et al. [20] also studied the abrasive wear behavior of ductile iron and the mechanisms involved in pin-on-disk tests. Several dual matrix structures were investigated (austempered and quenched). The abrasive wear resistance was higher for the austempered specimens than for the quenched ones.

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Analysis of Tensile strength and Hardness of IS 500/7 Grade Ductile Iron

Mechanical properties and wet abrasive wear of IS 700/2 Grade Ductile Iron Castings” Congress proceedings - 52nd Indian foundry congress, pp 41-44, Kolkata. [7]. C.Siddaraju,N.D.Prasanna,andM.K.Muralidhara“Corr osion characteristics of Ductile

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The Role of Bainite in Wear and Friction Behavior of Austempered Ductile Iron

The austempered ductile iron was austenitized at 900 C for 1 h and quenched in an isothermal quenching furnace at 380 C and 280 C, respectively. This paper aims to investigate the effects of bainite on wear resistance of austempered ductile iron (ADI) at different loads conditions.

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Microstructural Analysis of Austempered Ductile Iron Castings

favorable combination of high tensile strength, wear resistance and ductility, predestine this material to act as a substitute for forged or case-hardened materials and Ductile Iron (DI) [2]. Article History: Received: 2016/05/04. Accepted: 2016/06/15. Online: 2016/06/30. Microstructural Analysis of Austempered Ductile Iron Castings ...

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Diamond technology Abrasive machining of ductile iron with CBN

Austempered ductile iron (ADI) is thought to offer all the benefits of ductile iron as well as superior mechanical properties common to many steel forgings and castings with lower manufacturing costs and offers potential for weight savings and associated reduced fuel consumptions costs for example in the automotive industry [3]. ADI is thought ...

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TOMI PRIHTI WEAR BEHAVIOUR OF DUCTILE IRONS IN

total number of 10 different EN-standard ductile iron grades are used in the wear tests, including austempered and solution strengthened grades. The tests are carried out under dry and lubricated conditions using constant test parameters. According to the wear

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Study on Microstructure and properties of nodular cast iron

Lzqt600-3 ductile iron profile with horizontal continuous casting was selected as the research object. The as cast microstructure and properties of different parts (edge, 1 / 2R, center) of the profile were studied, and the influence of horizontal continuous casting process on the microstructure and properties of the sample was obtained.

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Comparison of Austempered Ductile Iron and Manganese Steel

Keywords: Austempered Ductile Iron, Manganese steel, Wear resistance, Hardness 1. Introduction More than 40 years have passed since the first commercial use of ADI [1]. The main advantage of this material is a combination of high strength properties with good ductility and at the same time low manufacturing cost [2]. The technology is very simple.

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Study of wear behaviour of austempered ductile iron

Feb 01, 2009 · An investigation was carried out to examine the influence of austempering temperature on microstructural parameters and the wear behaviour of austempered ductile iron. Ductile iron was austenitised at 900 °C for 30 min and austempered for 2 h at 260, 280, 300, 320, 350, 380 and 400 °C. Resulting microstructures were characterised through optical microscopy and X-ray ...

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STUDY OF AUSTEMPERED DUCTILE CAST IRON ENRICHED BY PARTICULAR

forward: casting of rails made of austempered ductile cast iron. Therefore, if the mechanical properties of ductile cast iron for rails were about the same as that of steel, then well-known high-strength nodular cast iron would be incomparably better than steel in a number of service properties: wear resistance, self-lubrication,

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Wear behavior of austempered ductile irons with dual

The wear resistance increased with increasing austenitizing temperature for abrasive wear of the bainitic nodular cast iron under different austenitizing temperature , . In the present study of austempered ductile iron with dual matrix structure, the wear behavior depended not only on the hardness but also AFVF and its distribution in ...

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Abrasive Wear of Compacted Graphite Cast Iron with Added Tin

Nov 27, 2018 · Abstract. The abrasive wear behavior of traditional compacted graphite cast iron (CGI) and compacted graphite cast iron with 0.1% tin addition (CGI–Sn) is studied using a pin-on-disk tribometer. The microstructures of these two CGIs were observed by optical microscopy and scanning electron microscopy.

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PDF Carbidic Austempered Ductile Iron (CADI

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. However, even ADI can be bested by materials containing carbides. But, carbidic irons tend to be very brittle.

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Materials | Free Full-Text | The Role of Bainite in Wear and Friction Behavior of Austempered Ductile Iron

It was also found that the form of wear behavior of ADI changed from abrasive wear to fatigue delamination as the wear load increased from 25 N to 100 N according to the observation on worn surface. The austempered ductile iron was austenitized at 900 °C for 1 h and quenched in an isothermal quenching furnace at 380 °C and 280 °C, respectively.

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Wear resistance properties of austempered ductile iron - NASA/ADS

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.

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Thin wall ductile and austempered iron castings

superior mechanical and wear properties. 2. Experimental Figures 1 and 2 show the geometry of a cantilever and rotor shaped castings made of an aluminum alloy, as well as their thin wall counterparts made of ductile iron and austempered ductile iron. The

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Austempered ductile iron: An alternative material for

In this study, the effect of austempering time on abrasive wear of austempered ductile iron was studied. Ductile iron was austenitized at 900˚C for 60 minutes and austempered 325 C for 1, 2 ve 4 ...

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Thin wall ductile and austempered iron castings - Archives of

Thin wall ductile iron castings can be lighter (380 g) than their substitutes made of aluminium alloys (580 g). The kinetics of austenitising transformation was studied in unalloyed ductile iron. The advance of transformations during austenitising was monitored by measurement the fraction of martensite and also by dilatometic studies.

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PDF) Evaluation of abrasive wear of ductile cast iron in

Fig. 4 .4Variation of the specific energy with hardness for the different microstructures of the ductile cast iron. Fig. 5 .5Variation of the abrasive wear as a function of the retained austenite for ductile cast iron austempered between 260 and 370 • C. Fig. 6 .6Variation of hardness 62.5 HV and absorbed energy in Charpy impact test as a ...

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A STUDY OF THE TURNING OF AUSTEMPERED DUCTILE IRON (ADI

Austempered Ductile Iron (ADI) is a relatively new material with the highest hardness and strength of any material in the cast iron family. Through the unique heat treatment - austempering, the “ausferrite” microstructure of ferrite and carbon-stabilized austenite along with graphite nodules is formed.

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PDF) The role of operational factors in shaping of wear

The wear test results indicate that austempered cast iron shows superior wear resistance than pearlitic gray iron, particularly at the lower speed.

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Milling with ceramic inserts of austempered ductile iron (ADI

Aug 17, 2020 · In the work here presented, the high performance of ceramic insert tools in milling of ADI 1000 iron casting is analyzed. Austempered ductile irons (ADI) are ductile iron castings with strength and mechanical properties enhanced after specific heat treatment, achieving 1000 MPa or even more. Sintered carbide tools are state of the art in many industrial applications, including iron casting ...

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Vol. 3, Issue 2, February 2014 Development and Wear Analysis

Abstract: The abrasion wear resistance of 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 (CADI).

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Ductile Iron Data - Section 4

Abrasion Resistance Austempered Ductile Iron offers the design engineer abrasion resistance that is superior to competitive materials over a wide range of hardness. Generally, ADI will outwear competitive materials at a given hardness level. For example (from Figure 4.23) an ADI component at 30 to 40 Rc will wear comparably to a quenched and tempered steel component at nearly 60 Rc in an ...

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The Role of Bainite in Wear and Friction Behavior of

Abstract. The austempered ductile iron was austenitized at 900 °C for 1 h and quenched in an isothermal quenching furnace at 380 °C and 280 °C, respectively. This paper aims to investigate the effects of bainite on wear resistance of austempered ductile iron (ADI) at different loads conditions. The micro-structure and phase composition of ADI was characterized and analyzed by metallographic microscope (OM), X-ray diffractometer (XRD) and scanning electron microscope (SEM) with energy ...

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An investigation of the abrasive wear behavior of ductile cast iron

2001/10/24 · The abrasive wear behavior of ductile cast iron with four different matrix microstructures was determined by the pin-on-disc abrasion test, the three-body abrasion test and the impact three-body abrasion test. The results indicate that the abrasive wear resistance of ...

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Austempered Ductile Iron Case Study | Penticton Foundry

The Characteristics of Austempered Ductile Iron Austempered ductile iron is a form of ductile iron that undergoes a specialized heat treatment. This treatment essentially doubles the strength of the iron, as well as imparting a number of other desirable mechanical properties. In this case, the castings used in the crusher exhibited mechanical ...

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The abrasion and impact-abrasion behavior of austempered ductile

The U.S. Department of Energy's Office of Scientific and Technical Information OSTI.GOV Conference: The abrasion and impact-abrasion behavior of austempered ductile irons

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PDF Wear Properties of Austempered Ductile Irons

AR irons. However, CADI and Q&T ductile iron can rival the performance of some of these irons. Hardness, Rc 20 25 30 35 40 45 50 55 60 65 Volume Loss, mm 3 0 5 10 15 20 As-cast ductile iron Q&T Ductile Iron ADI ADI - interrupted quench As-cast Gray Iron AGI Austempered Steel Q&T Steel Q&T 4140 Ni-Hard Carbidic ADI Abrasion Resistant Irons CADI ...

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Evaluation of Machinability of Austempered Spheroidal

In this study, spheroidal graphite cast iron made by continuous casting (FCD600) was used to examine the influence of the austempering on machinability. In addition, austempered gray cast iron made by continuous casting (FC250) was used to examine the influence of the morphology of graphite on machinability.

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PDF) The role of operational factors in shaping of wear properties of alloyed austempered ductile iron part I. Experimental studies abrasive wear

The role of operational factors in shaping of wear properties of alloyed austempered ductile iron part I. Experimental studies abrasive wear of Austempered Ductile Iron (ADI) in the presence of ...

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Abrasive Wear Studies on Austempered Ductile Iron Castings - CORE

Before the usage of ADI can flourish, there is a need to thoroughly understand 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

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PDF) Austempered Ductile Iron for Gears

It is discussed the use of ADI (Austempered Ductile Iron) for gears. The gears were produced from continuous cast iron bars, heat treated for grade 3 of ASTM ADI Standard A897M-06 (UTS >1200 MPa ...

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