نتایج جستجو برای: artificial aging
تعداد نتایج: 389761 فیلتر نتایج به سال:
The conjoint influence of welding and artificial aging on mechanical properties were investigated for extrusions of aluminum alloy 6063, 6061, and 6005A. Uniaxial tensile tests were conducted on the aluminum alloys 6063-T4, 6061-T4, and 6005A-T1 in both the as-received (AR) and as-welded (AW) conditions. Tensile tests were also conducted on the AR and AW alloys, subsequent to artificial aging. ...
The purpose of this study was to evaluate the effect of design and surface finishing on fracture strength of yttria-tetragonal zirconia polycrystal (Y-TZP) crowns in monolithic (1.5 mm thickness) and bilayer (0.8 mm zirconia coping and 0.7 mm porcelain veneer) configuration after artificial aging. Bovine incisors received crown preparation and Y-TZP crowns were manufactured using CAD/CAM techni...
The purpose of this study was to evaluate the color stability of a maxillofacial elastomer with the addition of a nanoparticle pigment and∕or an opacifier submitted to chemical disinfection and artificial aging. Specimens were divided into four groups (n = 30): group I: silicone without pigment or opacifier, group II: ceramic powder pigment, group III: Barium sulfate (BaSO(4)) opacifier, and gr...
The aim of this study was to investigate whether the artificial aging by thermal cycling had influenced the marginal adaptation of class V restorations with/without chlorhexidine application in the bond process. Twelve intact human third molars were used. Class V cavity preparations were performed on the buccal surface and the teeth received 35% phosphoric acid-etching procedure (Ultradent Prod...
Since the introduction of artificial intelligence [AI] its ongoing impact and possible implications have been continuously discussed. Among these discussions are applications AI for longevity promotion. This brief summarizes some ideas in context aging. Drawn from emerging literature on this topic, it is concluded benefits can be experienced currently realm assessment, planning, diagnosis, inte...
The cover image is based on the Review Article Distilled beverage aging: A review aroma characteristics, maturation mechanisms, and artificial aging techniques by Lulu Wang et al., https://doi.org/10.1111/1541-4337.13080.
Cryogenic rolling is one of the essential severe plastic deformation processes to manufacture high-strength aluminum sheets with excellent formability limits. The present work characterizes AA6061 for cryogenic before and after artificial aging. Nakajima method based on ISO standard used measure formability. Samples are aged in range 100 °C 150 °C. Artificial aging at found be optimum temperatu...
Seed aging is a process that results in a delayed germination, a decreased germination percentage, and finally a total loss of seed viability. However, the mechanism of seed aging is poorly understood. In the present study, Yliangyou 2 hybrid rice (Oryza sativa L.) seeds were artificially aged at 100% relative humidity and 40°C, and the effect of artificial aging on germination, germination tim...
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