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Quasi-static test data set of honeycomb hybrid tubes by FDM 3D printing.
Data Brief
February 2025
Department of Mechanical Engineering, Brawijaya University, Indonesia.
Crash box development is carried out continuously to obtain a lightweight design and high energy absorption. This dataset presents the results of a crash box experiments. Quasi-static testing of aluminum, honeycomb, and hybrid tube specimens was carried out using a universal testing machine.
View Article and Find Full Text PDFEnhanced bone cement for fixation of prosthetic joint utilizing nanoparticles.
J Mater Sci Mater Med
January 2025
Biomedical Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.
Bone cement is commonly utilized to secure prosthetic joints in the body because of its robust fixation, stability, biocompatibility, and immediate load-bearing capability. However, issues such as loosening, leakage, and insufficient bioactivity can lead to its failure. Therefore, improving its mechanical, physical, and biological properties is crucial for enhancing its efficiency.
View Article and Find Full Text PDFExperimental Determination of the Equivalent Moment of Inertia and Stresses of Aluminium Profiles with Thermal Breaks.
Materials (Basel)
December 2024
Faculty of Civil Engineering, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland.
This paper presents the results of experimental tests and computer simulations on the stiffness of composite aluminium mullions used in unitised façades. The elements analysed were subjected to bending in order to simulate the actual operating conditions of aluminium façades subjected to significant wind pressure or suction loads. The basic mechanical and physical properties of the materials from which the analysed type of aluminium façade is made (Aluminium EN AW-6060 in the T66 temper and polyamide PA66 25GF), the test method, and the results obtained are described.
View Article and Find Full Text PDFFracture load of feldspar ceramic crowns: effects of surface treatments and aging.
Clin Oral Investig
January 2025
Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland.
Objectives: To compare the impact of intaglio surface treatments - airborne particle abrasion and hydrofluoric acid (HF) etching - of feldspar ceramic (FEL) crowns on the fracture load (FL) and to investigate the effects of abutment materials and artificial aging. The aim was to assess whether etching could be replaced by an alternative surface roughening method.
Materials And Methods: FEL crowns had their intaglio surfaces either abraded (25 µm AlO, 0.
Soil stressors on ecophysiology of bauxite mine impacted soil: Heavy metal-acidity-organic matter nexus.
J Environ Qual
January 2025
Agricultural and Ecological Research Unit, Indian Statistical Institute, Giridih, Jharkhand, India.
Article Synopsis
- This study explores how bauxite mining impacts soil quality and microbial health in mining-adjacent areas, which has been under-researched compared to other types of mining like coal and copper.
- Soil samples from locations near an active bauxite mine showed high levels of heavy metals (like chromium and lead), acidity, and aluminum, negatively affecting important microbial indicators such as enzyme activity and microbial biomass.
- The research found that the concentrations of organic carbon could help mitigate some of the acidity effects, with acid phosphatase enzyme being a key factor in differences seen across various sampling sites.
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