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Impact of stock market indices and raw material prices on the yield movements of Caterpillar company securities
Published 2024-01-01“…The research confirmed that, in addition to the SPY market index, the performance of the PKB (Invesco Dynamic Building and Construction ETF) fund, as well as the prices of copper, steel, and aluminium have a statistically significant impact on the movement of CAT stock returns. …”
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Influence of base plate preheating temperature on fatigue strength of AISI 4140 manufactured by laser powder bed fusion
Published 2025-03-01“…This study investigates the influence of base plate preheating temperature on the fatigue performance of additively manufactured AISI 4140 steel, manufactured through laser powder bed fusion (PBF-LB). …”
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DIC-Based Operational Modal Analysis of Bridges
Published 2021-01-01“…In this article, the DIC technique is used to capture the movement of the entire experimental bridge model. A steel truss is used as a bridge model and stimulated by a hammer; its dynamic displacement is recorded by using a digital video camera. …”
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Assessment of the mechanical properties and antimicrobial efficiency of orthodontic adhesive modified with Salvadora Persica oil
Published 2024-06-01“…Following this, the buccal surfaces were etched using 37% phosphoric acid gel. Standard stainless steel orthodontic brackets were used in the study. …”
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Reaction Kinetics of Cinnamaldehyde Hydrogenation over Pt/SiO2: Comparison between Bulk and Intraparticle Diffusion Models
Published 2022-01-01“…The experiments were conducted in a 300 cm3 stainless steel stirred batch reactor supplied with hydrogen gas and ethanol as a solvent. …”
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Disaster-Causing Mechanism of the Continuous Failure of Deep Foundation Pits in Tropical Water-Rich Sandy Strata
Published 2024-12-01“…The results indicate that the water barrier layer is the thinnest at the elevator shaft foundation pit, with a rapid shortening of seepage paths following the extraction of steel sheet piles; the seepage velocity increases by approximately 120%, leading to groundwater breaching both the water barrier and cushion layers. …”
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Seismic Evaluation and Retrofit of Reinforced Concrete Buildings with Masonry Infills Based on Material Strain Limit Approach
Published 2021-01-01“…This method is based on the threshold strain limit of concrete and steel to identify the actual damage scenarios of the structural members of RC structures. …”
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Surface hardening of MIM porous metals by ultrasonic vibration assisted pressing
Published 2025-01-01“…As a specimen, MIM processed pure copper and stainless steel 316L specimens were used to compare with specimens without porous structure through investigations such as surface hardness test, electron backscatter diffraction analysis, and surface roughness measurement. …”
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Analysis of the effect of cutting mode and coolant on the formation of burrs when drilling aluminum alloy AK5Mch
Published 2022-11-01“…Drilling is carried out using coolant and without coolant using drills made of high-speed steel with a diameter of 6,0 mm with cutting speeds of 20, 42 and 60 m/min at a constant feed of 0,15 mm/rev. …”
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