نتایج جستجو برای: abrasive wear

تعداد نتایج: 28816  

In this study; utilizing the elastic matrix ball has higher processing efficiency and better superficial quality than traditionalgrinding. The diversity of elastic abrasive tool characteristics contact with bend surface results in irregular wear abrasion,and abrasive tool machining status gets complicated. There is no theoretical interpretation of parameters affecting the grinding accuracy. Bec...

In this study; utilizing the elastic matrix ball has higher processing efficiency and better superficial quality than traditionalgrinding. The diversity of elastic abrasive tool characteristics contact with bend surface results in irregular wear abrasion,and abrasive tool machining status gets complicated. There is no theoretical interpretation of parameters affecting the grinding accuracy. Bec...

In the present study, Al5083- Al2O3 nanocomposite was successfully prepared by friction stir processing (FSP) with rotational speed of 710 rpm and travel speed of 14 mm/min. In order to improve distribution of Al2O3 particles, a net of holes were designed on the surface of Al5083 sheet. The samples were characterized by optical and scanning electron microscopy (SEM), microhardness, tensile and ...

In this research, a thin film of TiO2 was applied on AZ91D using the method of magnetic sputtering. Microstructure investigations were done using field emission scanning electron microscope (FESEM) and X-ray diffraction (XRD). Wear resistance for the coating was investigated using the pin on the disk in the form of dry and in the Ringer's solution. After this test, the worn surface of the sampl...

2016
Chunyan Song Shuhuan Wang Yongliang Gui Zihao Cheng Guolong Ni

Intermetallic compounds are increasingly being expected to be utilized in tribological environments, but to date their implementation is hindered by insufficient ductility at low and medium temperatures. This paper presents a novel multiphase intermetallic alloy with the chemical composition of Mo-40Ni-13Si (at %). Microstructure characterization reveals that a certain amount of ductile Mo phas...

2015
I. U. Madukwe

One of the causes of abrasive wear is the use of abrasive tooth pastes and tooth brushes. This may lead to dentin sensitivity if exposed.The aim of this study is to examine 1,526 upper anterior and premolar teeth for evidence of abrasive wear. The segment of teeth were selected because of their preeminence in the smile line.1,526 upper anterior and premolar teeth were examined using key-feature...

2004
A. M. Hodge T. G. Nieh

The hardness and elastic modulus of several Zr, Pd, Cu, and La-based amorphous alloys were investigated using nanoindentation. Abrasive wear of these alloys was also evaluated and compared using nanoscratch techniques under a ramping load. Damage caused by scratching was examined using SEM. Material pile-up took place in all scratched samples, but to different degrees. The scratched surface was...

2017
K.Siva Prasad

Abrasive water jet machining (AWJM) is one of the non conventional machining process for difficult to cut brittle, hard and thin materials. The process parameters which are mainly influence the quality of machining in AWJM are water pressure, stand-off distance, nozzle diameter, traverse speed, abrasive flow rate and abrasive size. This is an environment friendly and relatively inexpensive proc...

Journal: :IOP Conference Series: Materials Science and Engineering 2018

Journal: :Friction 2022

Abstract Abrasive wear mechanisms—including two-body and three-body abrasion—dominate the performance lifespan of tribological systems in many engineering fields, even those operating lubricated conditions. Bearing steel (100Cr6) pins discs a flat-on-flat contact were utilized experiments together with 5 13 µm Al 2 O 3 -based slurries as interfacial media to shed light on acting mechanisms. The...

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