نتایج جستجو برای: hp nb cast heat resistant steel
تعداد نتایج: 512848 فیلتر نتایج به سال:
Detailed activation, decay heat and waste disposal calculations of the ARIES-AT design are performed to evaluate the safety aspects of the device. The high initial activity of the SiC highly irradiated components translates directly into a higher initial decay heat for these structures than for the well-protected steel-based components. However, after a one-hour cool-down period, the SiC decay ...
OBJECTIVE The objective of this randomized equivalence trial was to determine the impact of consuming lean beef as part of a high protein (HP) weight-reducing diet on changes in body weight, body composition and cardiometabolic health. METHODS A total of 120 adults (99 female) with overweight or obesity (BMI: 35.7 ± 7.0 kg m-2) were randomly assigned to consume either a HP diet with ≥4 weekly...
UNLABELLED This work analyzes the high-pressure (HP) germination of spores of the food-borne pathogen Clostridium perfringens (with inner membrane [IM] germinant receptors [GRs]) and the opportunistic pathogen Clostridium difficile (with no IM GRs), which has growing implications as an emerging food safety threat. In contrast to those of spores of Bacillus species, mechanisms of HP germination ...
The versatility of spectrum analyzers allows electromagnetic interference (EM1) signals to be displayed in a variety of ways for the analysis of specific signal characteristics. Two signal types of particular interest are those classified as narrowband (NB) and broadband (BB) signals. These signals originate from a variety of sources and have different EMl potential. This paper first provides d...
A program has been conducted on the effects of Mg in cast alloy 718. The results show that small amounts of Mg improves impact toughness and decreases Nb segregation by decreasing secondary dendrite arm spacing which results in less and smaller interdendritic Laves and MC eutectics. Small amounts of Mg produce a more spheroidal as well as a more dispersive MC phase. Impact toughness was found t...
We have determined whole body protein kinetics, i.e., protein synthesis (PS), breakdown (PB), and net balance (NB) in human subjects in the fasted state and following ingestion of ~40 g [moderate protein (MP)], which has been reported to maximize the protein synthetic response or ~70 g [higher protein (HP)] protein, more representative of the amount of protein in the dinner of an average Americ...
The paper demonstrates the potential of wet ball milling metals for synthesis various carbides and carbohydrides. work reports on multicomponent formed in Ti-(Cu/Fe/Si)-C, W-Fe-C, Nb-(Cu/Fe/Si/Al)-C systems, as well metastable or high-temperature intermetallics Ti-Si, Nb-Si, Nb-Al, Nb-Cu-Fe which are stabilized with interstitial carbon. formation phase composition powders fabricated under mecha...
A comprehensive set of models of precipitate formation during steel processing has been developed. In this work, it is applied to investigate Nb(C,N) precipitation in thin microalloyed steel slabs during continuous casting, reheating in a tunnel furnace and water quenching relative to the position with the slab and alloy content. The models include a transient heat-conduction and solidification...
The causes of liquation cracking in the heat-affected zone (HAZ) of a cast Mar-M004 superalloy weld were investigated. X-ray diffraction (XRD), electron probe microanalyzer (EPMA), and electron backscatter diffraction (EBSD) were applied to identify the final microconstituents at the solidification boundaries of the cast alloy. Fine borides and lamellar eutectics were present in front of some γ...
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