نتایج جستجو برای: wear in attachment
تعداد نتایج: 16991911 فیلتر نتایج به سال:
In this study, a Cr-modified NiAl coating was fabricated by weld cladding technique using Gas- Tungsten Arc Welding (GTAW) process on 310 steel. Chemical composition and microstructure of the coating was studied by X-Ray Diffraction (XRD), optical microscopy and scanning electron microscopy equipped with an Energy Dispersive Spectroscopy (EDS). The wear behavior of the coated steel was examined...
neighborhood attachment is closely related to concrete and abstract conceptions that set the scene for a variety of interactions among the residents. it is on the basis of social-physical location which happens over time. neighborhood attachment also enhances the possibility of residents’ social participation in urban neighborhoods and has a bilateral relationship with residents’ satisfaction. ...
Ni-Hard4 white cast iron is excellent wear resistant material and has been widely used in wearaffected equipment operated under extreme conditions, such as in mineral processing, cement, copper and iron manufacturing. In this study the effect of titanium addition (1.2, 0.7 and 0.2 wt.%) to the Ni-hard 4 cast iron with the nominal composition of Si= 1.5%, Mn=0.5%, C=3%, P=0.05%, S= 0.05%, Mo= 0....
place is not only a shelter for human activities but also a phenomena that he interacts with it. furthermore, through this interaction, human gives meaning to the place, attaches to it and sometimes even identifies himself by it. in addition, human’s need to the emotional interaction with the place in which he lives, “place attachment”; is one of the most important principles that architects, u...
A new wear testing system, which carries out toothbrush wear and simulated occlusal wear tests alternately, was developed. Differences in wear behavior among three modes of wears, combined wear, toothbrush wear and simulated occlusal wear, were investigated using polymethylmethacrylate (PMMA) and two commercial resin composites (Z100, APX). The area of the material loss after each test was meas...
Since the quality of apartment buildings is noted, the way of increasing attachment and discovering its effective variables is challenging subjects for researchers in this field. Person, place and process (P.P.P) model of place attachment as the most precise model of them, evaluate attachment to three parts of person, place and process. What is going to be studied in this research is to evaluat...
Nickel-phosphorus coatings (Ni-P) are widely used in industry due to their high hardness, corrosion resistance and very good mechanical and chemical properties. Oxide particles such as TiO2 can be used to increase the wear resistance of these coatings. In this study, the Ni-P-W-TiO2 composite coating was deposited on the AISI 304L steel substrate using the electroplating method. Electroplating ...
attachment of children to their parents and their separation are two important growth processes which are summoned up in teens again and become more important. the present research tends to find out either the processes of attachment and separation among girls and boys take place in different ways or gender can affect the relationship between these two processes. to this end 300 students of the...
background: pregnant women with insecure attachment style are at high risk of psychiatric disorders. since emotions are the first coordinators of attachment behavior, emotion regulation training can alter maternal attachment style. in this study, we aimed to evaluate the effects of emotion regulation training on the attachment styles of primiparous pregnant women with insecure attachment style....
Statement of Problem: The relatively poor wear resistance of dental composite in stress bearing posterior situations has restricted wider clinical application of this restorative material. Purpose: The aim of this study was to evaluate the three body abrasive wear of a dental composite based on a new filler (leucite: KAl Si2O6) and to compare it with the wear resistance of a composite based on ...
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