Results 71 to 80 of about 158,097 (358)

Tribological Properties of 7A04 Aluminum Alloy Enhanced by Ceramic Coating

open access: yesLubricants
The 7A04 Al alloy is a commonly used lightweight metal material; however, its low wear resistance limits its application. In this study, the wear resistance of this alloy was improved by preparing micro-arc oxidation (MAO) coatings, MAO/MoS2 composite ...
Xiaobo Meng   +12 more
doaj   +1 more source

Studying the Morphologic Maturation of Aeolian Sand Grains During Transportation Process of Wind Erosion (Case study: Khartouran Erg) [PDF]

open access: yesDesert, 2009
Wind, in the duration of its erosional process, affects considerable changes in a grain's morphologyfrom its removal (detachment) step to sedimentation. In other word, a grain undergoes its gradualevolution during the transit process.
N. Mashhadi, M. Ekhtesasi
doaj   +1 more source

Keratin 19 as a prognostic marker and contributing factor of metastasis and chemoresistance in high‐grade serous ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Keratin 19 (KRT19) is overexpressed in high‐grade serous ovarian cancer with high levels of Kallikrein‐related peptidases (KLK) 4–7 and is associated with poor survival. In vivo analyses demonstrate that elevated KRT19 increases peritoneal tumour burden.
Sophia Bielesch   +13 more
wiley   +1 more source

The effects of chemical treatments on the abrasion resistance of wool fabrics [PDF]

open access: yes, 1981
The low abrasion resistance of wool fabrics compared with many man-made fibre fabrics is known to be a frequent cause of consumer dissatisfaction particularly in pure wool suiting fabrics. Accordingly this project was undertaken to attempt to improve the
Peppas, Athanasios, Peppas, A
core  

Controlled toothbrush abrasion of softened human enamel [PDF]

open access: yes, 2008
The aim of this in vitro study was to compare toothbrush abrasion of softened enamel after brushing with two (soft and hard) toothbrushes. One hundred and fifty-six human enamel specimens were indented with a Knoop diamond.
Lussi, Adrian   +3 more
core   +1 more source

Building a composition-microstructure-performance model for C–V–Cr–Mo wear-resistant steel via the thermodynamic calculations and machine learning synergy

open access: yesJournal of Materials Research and Technology
To better understand the complex relationships between composition, microstructure, and performance in C–V–Cr–Mo wear-resistant steel, and to facilitate the rapid and efficient development of high-alloy steels for extreme working conditions, this study ...
Shuaiwu Tong   +5 more
doaj   +1 more source

Investigation on Low Stress Scratching Abrasion Resistance Influencing Residual Stress in Nickel Chromium Alloyed Iron [PDF]

open access: yesArchives of Foundry Engineering
In thermal power plants, advanced wear-resistant alloyed irons have been used for over three decades to enhance the longevity of parts. Ni-hard irons, high chromium irons, and HCHC materials are commonly used in components like liners, bull rig segments,
Sandeep Mashetty A.   +6 more
doaj   +1 more source

Selection of an Optimal Abrasion Wheel Type for Nano-Coating Wear Studies under Wet or Dry Abrasion Conditions

open access: yesNanomaterials, 2020
Nanocoatings have numerous potential applications in the indoor environment, such as flooring finishes with increased scratch- and wear-resistance. However, given concerns about the potential environmental and human health effects of nanomaterials, it is
Li-Piin Sung   +7 more
doaj   +1 more source

CCDC80 suppresses high‐grade serous ovarian cancer migration via negative regulation of B7‐H3

open access: yesMolecular Oncology, EarlyView.
PAX8 is a lineage‐specific master regulator of transcription in high‐grade serous ovarian cancer (HGSC) progression. We show for the first time that PAX8 facilitates proliferation and metastasis by repressing the cell autonomous tumor suppressor CCDC80 and inducing B7‐H3 expression.
Aya Saleh   +12 more
wiley   +1 more source

Review of Research on Hydraulic Mechanical Abrasion

open access: yesRenmin Zhujiang, 2021
In the working process of hydraulic machinery,it is inevitable to suffer from the abrasion of fluid containing impurities.This paper introduces abrasion systematically and comprehensively from the following five aspects:the formation mechanism and ...
LI Xiaochao   +4 more
doaj  

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