Results 41 to 50 of about 49,148 (166)

Effect of aging temperature on microstructure and properties of maraging steel for ultra-low temperature

open access: yesJournal of Materials Research and Technology
An 18Ni(200) maraging steel ingot was prepared using vacuum smelting, and after undergoing forging and two solution treatments at 1000 °C + 800 °C, the effect of aging treatment at 350–600 °C on the evolution of the microstructure and mechanical ...
Jikang Hu   +5 more
doaj   +1 more source

Investigation of the Friction and Wear Behavior of Cr-Mo-V Steel with Different Surface Treatment Processes

open access: yesLubricants
Hot work die steel is an alloy steel with good high-temperature performance, which is widely used in mechanical manufacturing, aerospace, and other fields.
Wei Zhang   +10 more
doaj   +1 more source

Mass Distribution of Particulate Matter Produced During Abrasion af Asphalt Mixtures in Laboratory

open access: yesCommunications, 2016
Non-exhaust emissions of particulate matter from road traffic can come from abrasion of vehicle parts (tyres, brake linings, clutch and bodywork) or from pavement surface abrasion and also from resuspension of dust. A differentiation between PM emissions
Dasa Fullova   +3 more
doaj   +1 more source

Contribuição ao estudo da retificação abrasiva de materiais cerâmicos Introduction to abrasive grinding of ceramics

open access: yesCerâmica, 2006
Uma das principais limitações relacionadas ao processo de retificação de cerâmica é a confiabilidade do material devido aos defeitos introduzidos no processamento.
H. Fujita   +4 more
doaj   +1 more source

Properties of Normal and Recycled Brick Aggregates for Production of Medium Range (25–30 MPa) Structural Strength Concrete

open access: yesBuildings, 2018
This study compares the properties of normal and recycled brick aggregates to produce a medium range (25–30 MPa) compressive strength of structural grade concrete.
Suvash Chandra Paul   +3 more
doaj   +1 more source

Effect of heat treatment and rotary swaging on microstructure and mechanical properties of 91W–Ni–Fe–Co alloy

open access: yesJournal of Materials Research and Technology
In order to study the effects of deformation and heat treatment on the microstructure and properties of tungsten heavy alloys (WHAs), 91W-5.44Ni-0.99Fe-2.57Co alloy bars were prepared by powder metallurgy method combined with rotary swaging.
Shiru Liu   +8 more
doaj   +1 more source

A Concept of the Effective Surface Profile to Predict the Roughness Parameters of Worn Surface

open access: yesFrontiers in Mechanical Engineering, 2019
A new concept of the effective surface profile is proposed to facilitate the prediction of the worn surface texture at sliding friction. The effective surface profile is a 2D height characteristic that consists of the asperities of surface superimposed ...
Alexander Kovalev   +3 more
doaj   +1 more source

Wear of Hard Dental Tissues and Methods of its Evaluation

open access: yesČeská Stomatologie a Praktické Zubní Lékařství, 2018
Background: In addition to tooth decay, that is the most common disease of hard dental tissues, the dentist often encounters with so-called noncarious lesions.
P. Holík, Y. Morozova
doaj   +1 more source

Analisis Abrasi Terhadap Pergeseran Tepi Pantai Dengan Digital Shorline Analisis System (DSAS)

open access: yesTeras Jurnal: Jurnal Teknik Sipil
Abstrak   Pantai Cahaya Negeri, Kecamatan Lemong Kabupaten Pesisir Barat mengalami abrasi signifikan, berdampak pada pergeseran tepi pantainya. Tujuan penelitian adalah untuk mengkaji, mengidentifikasi dampak pergeseran tepi pantai oleh abrasi periode ...
alim yulianto   +2 more
doaj   +1 more source

Tribological Behavior of Glycerol/Water-Based Magnetorheological Fluids in PMMA Point Contacts

open access: yesFrontiers in Materials, 2019
Comprehension of the tribological behavior of magnetorheological fluids is crucial for many applications, in particular for those related with high quality surface finishing.
Wagner O. Rosa   +2 more
doaj   +1 more source

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