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Journal articles on the topic 'Process stresse'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Du, Wen Bo, Xu Dong Wang, Zhao Hui Wang, and Shu Bo Li. "Nano-Crystalline Structure in Mg₂Si/Mg-2.5Er-5Zn Composite on the Route of Repeated Plastic Working Process." Materials Science Forum 667-669 (December 2010): 635–39. http://dx.doi.org/10.4028/www.scientific.net/msf.667-669.635.

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The Mg-5Zn-2.5Er matrix composite reinforced with the in-situ synthesized Mg2Si second phase particles was fabricated via repeated plastic working (RPW) process. The microstructures and the nanocrystals in the composite have been investigated using transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HREM) and energy dispersive X-ray (EDX). Great deals of nanocrystals were found in the matrix, and they were around the in-situ synthesized Mg2Si. The HREM analysis showed that the size of nanocrystals was in the range of 5-10 nm, and the difference in their cr

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2

Ramos, Sandra, and Jorge A. Ramos. "Process of Change and Effectiveness of Family Constellations: A Mixed Methods Single Case Study on Depression." Family Journal 27, no. 4 (2019): 418–28. http://dx.doi.org/10.1177/1066480719868706.

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Aims: To analyze the process of change and the effectiveness of five sessions of family constellations (FC) using mixed methods in mixed settings (videoconference and in person). To obtain variables associated with processes and results. Methods: Using an exploratory design with mixed methods, this single case study used a triangulation of data: quantitative ( Escala de Ansiedade, Depressão e Stresse-21) and qualitative (the notes from the consultations and the patient’s responses to the Psychotherapeutic Process Data Mining Questionnaire [PPDMQ]). Results: The patient’s symptoms of depression

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3

Ли, Я. Ц., та Д. Х. Чжан. "Распределение локальных напряжений в волокнисто-армированных композитах с учетом термических напряжений отверждения". Механика композитных материалов 57, № 5 (2021): 959–74. http://dx.doi.org/10.22364/mkm.57.5.11.

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В силу различия коэффициентов термического расширения и эффективных модулей упругости материалов волокна и матрицы в композитах в ходе отверждения от высокой температуры изготовления до комнатной возникают концентрации локальных напряжений. Для оценки влияния остаточных термических напряжений на распределение локальных напряжений в композитах разработали высокоточную микромасштабную модель. Полученные численные результаты показали, что остаточные термические напряжения не вызывают пластические деформации в матрице.

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LEONTYEV, V. V., and E. V. KONDRATOVA. "MODELING OF THE CONTACT LAYER IN THE STUDY OF THE STEEL WIRE DRAWING PROCESS." Fundamental and Applied Problems of Engineering and Technology, no. 4 (2021): 113–17. http://dx.doi.org/10.33979/2073-7408-2021-348-4-113-117.

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Using the COMSOL MULTIPHYSICS software, the problem of the stress-strain state of a steel wire during drawing is solved by the finite element method. A special contact layer is introduced to describe the contact between the wire and the matrix. It consists of a material whose modulus of longitudinal elasticity in the direction perpendicular to the contacting parts coincides with the modulus of longitudinal elasticity of the matrix or wire, and in the other direction is small, as is the shear modulus. During the calculation, the fields of radial stresses, axial stresses and equivalent stresses

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Kuo, M. K., and H. T. Lee. "Inversion of Residual Stress." Journal of Mechanics 17, no. 2 (2001): 103–8. http://dx.doi.org/10.1017/s1727719100003178.

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ABSTRACTA technique for inverting residual stress based on a theory of acoustoelasticity is presented. A general incremental constitutive relation is first derived for a pre-stressed material subjected to an additional infinitesimal elastic deformation. The theory is then employed on using ultrasonic means to evaluate residual stresses of residually stressed materials. The residual stresses are assumed to be homogeneous in materials as usual. The only major assumption in this formulation is that the additional deformations caused by ultrasonic evaluating process are infinitesimal and elastic.

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6

Kozlowski, T. T. "Tree Growth in Response to Environmental Stresses." Arboriculture & Urban Forestry 11, no. 4 (1985): 97–111. http://dx.doi.org/10.48044/jauf.1985.023.

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Shade trees are subjected to a wide variety of environmental stresses which decrease growth and cause injury and mortality. Although trees often are classed as either stressed or unstressed, all trees are periodically stressed by unfavorable environmental conditions above or below ground, and often both. Exposure of trees to some stresses also predispose them to the effects of other stresses. Healthy trees require adequate supplies and balances of carbohydrates, growth regulating hormones, water, and minerals. Environmental stresses, alone or in combination, reduce tree growth by setting in mo

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Hwang, Young-In, Geonwoo Kim, Yong-Il Kim, Jeong-Hak Park, Man Yong Choi, and Ki-Bok Kim. "Experimental Measurement of Residual Stress Distribution in Rail Specimens Using Ultrasonic LCR Waves." Applied Sciences 11, no. 19 (2021): 9306. http://dx.doi.org/10.3390/app11199306.

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Longitudinal critically refracted (LCR) waves are considered bulk longitudinal waves and penetrate into an effective depth beneath the surface parallel to the material surface. Such LCR waves can be employed to measure residual stresses because the acoustoelastic effect is the basis for ultrasonic residual stress measurements. This effect is described by the relationship between change of wave travel time and stress applied when such waves propagate in a stressed medium. In this paper, stresses applied in a rail were evaluated by using a developed LCR probe. With this transducer, it was verifi

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8

José, Edgar. "O Sofrimento laboral." Revista Academicus: Revista multidisciplinar 2, no. 2 (2024): 96–113. http://dx.doi.org/10.4314/academicus.v2i2.7.

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Resumo: O sofrimento laboral pela sua relevância e interdisciplinaridade é um tema que propicia a abertura do debate àrealidade social. Este estudo visa compreender a natureza e os factores determinantes do sofrimento laboral em diferentes contextosorganizacionais. O referencial teórico é baseado nas teorias que abordam o impacto das condições de trabalho na vida dosfuncionários, destacando a teoria do stresse ocupacional de Karasek & Theorell (1990), a teoria de Burnout desenvolvida porMaslach & Leiter (1997), a teoria da gestão de papel, a teoria da alienação desenvolvida por Karl Ma

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Xie, Huibing, Bing Han, Wutong Yan, and Peng Jiang. "Statistical Inversion Approach for Stress Estimation Based on Strain Monitoring in Continuously Pre-Stressed Concrete Beams." Applied Sciences 11, no. 21 (2021): 10161. http://dx.doi.org/10.3390/app112110161.

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Stress is one of the most important physical indexes reflecting the mechanical behavior of concrete structures. In general, stress in structures cannot be directly monitored and can only be estimated through an established model of stress and strain. The accuracy of the estimated stress depends on the rationality of the established model for stress and strain. As the strain measured by sensors contains creep, shrinkage, and elastic strain, it is difficult to establish an analytical model for strain and stress. In this paper, a statistical inverse method was utilized to estimate the stress in c

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10

Li, Xiao Ke, Jian Liu, Zhi Hao Wang, and Peng Fei Han. "Testing and Control for Strands Embedded in Annular Concrete Foundation Beam of Steel Archaize Tower." Applied Mechanics and Materials 238 (November 2012): 643–47. http://dx.doi.org/10.4028/www.scientific.net/amm.238.643.

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Combined with the design and construction of annular pre-stressed concrete foundation beam of Tiantang Site Protection Exhibition Project in Luoyang, China, this paper introduces the test process of frictional lose for annular strands. The calculation method is given to deal with the original data to get the friction coefficient of the strands. The controlling parameters such as control tensioning stress and theoretical elongations of strands are advised. The rational pre-stressing process and key indexes are confirmed by the comparison of test and theoretical circumferential stresses of the f

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Aniskin, Nikolai A., and Nguyen Trong Chuc. "The thermal stress state arising in the contact area of mass concreteduring construction." Vestnik MGSU, no. 11 (November 2021): 1483–92. http://dx.doi.org/10.22227/1997-0935.2021.11.1483-1492.

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Introduction. The contact area of concrete gravity dams is of vital importance. Substantial temperature gradients and tensile stresses can arise in the process of concrete casting and thermal regime creation; they can cause thermal cracking. The practice of monitoring the construction and operation of concrete gravity dams has identified frequent vertical cracking along and across the dam axis, which can have an adverse impact on structural behaviour. Despite the large number of research works, some of which are mentioned in the work, the extent of influence of the modulus of elasticity in the

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Stone, B. M., I. J. Jordaan, J. Xiao, and S. J. Jones. "Experiments on the damage process in ice under compressive states of stress." Journal of Glaciology 43, no. 143 (1997): 11–25. http://dx.doi.org/10.3189/s002214300000277x.

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AbstractDuring ice-structure interaction, ice will fail in a brittle manner dominated by two processes. The first corresponds to the formation of macrocracks and the consequent spalling-off of large ice pieces. The second includes an intense shear-damage process in zones, termed critical zones, where high pressures are transmitted to the structure. The shear-damage process results in microstructural changes including microcrack formation and recrystallization. A range of tests on laboratory-prepared granular ice have been conducted to determine the fundamental behaviour of ice under various st

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Stone, B. M., I. J. Jordaan, J. Xiao, and S. J. Jones. "Experiments on the damage process in ice under compressive states of stress." Journal of Glaciology 43, no. 143 (1997): 11–25. http://dx.doi.org/10.1017/s002214300000277x.

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AbstractDuring ice-structure interaction, ice will fail in a brittle manner dominated by two processes. The first corresponds to the formation of macrocracks and the consequent spalling-off of large ice pieces. The second includes an intense shear-damage process in zones, termed critical zones, where high pressures are transmitted to the structure. The shear-damage process results in microstructural changes including microcrack formation and recrystallization. A range of tests on laboratory-prepared granular ice have been conducted to determine the fundamental behaviour of ice under various st

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14

Hasenko, Anton. "Previous self-stresses creation methods review in bent steel reinforced concrete structures with solid cross section." Academic journal Industrial Machine Building Civil Engineering 2, no. 57 (2022): 82–89. https://doi.org/10.26906/znp.2021.57.2589.

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Bent steel reinforced concrete structures are usually structures for overlap or covering buildings and constructions for various functional purposes. Pre-stresses in structures of this type can be created by installing additional pre-stressed reinforcing bars in the stretched cross-sectional area, which, along with increasing the load-bearing capacity and stiffness of the floors, requires additional material costs and the installation of these bars. Creating initial stresses in building structures from their own weight greatly simplifies the process of pre-stressing due to the unnecessary cost

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15

Jogaiah, Satisha, Sahadeo D. Ramteke, Jagdev Sharma, and Ajay Kumar Upadhyay. "Moisture and Salinity Stress Induced Changes in Biochemical Constituents and Water Relations of Different Grape Rootstock Cultivars." International Journal of Agronomy 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/789087.

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Ten grape rootstocks were subjected to moisture and salinity stress in two separate experiments. The influence of these stresses on gas exchange, water relation, and biochemical parameters was monitored at various stages of stress cycle. Both stresses indicated significant changes in the physiological and biochemical parameters studied. Some biochemical constituents increased by several folds in few rootstock cultivars which also recorded increased osmotic potential suggesting their role in osmotic adjustment. Some of the rootstock cultivars such as 110R, 1103P, 99R, Dogridge, and B2/56 record

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16

Saan, Marieke, Lidewij Bollen, and Maarten Kunst. "Het werk van de familierechercheur: een bron van stress of een bron van persoonlijke groei?" PROCES 94, no. 3 (2015): 192–207. http://dx.doi.org/10.5553/proces/016500762015094003005.

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17

Zhichao Jia, Zhichao Jia, Tingzhong Zhang Tingzhong Zhang, Huazhong Zhu Huazhong Zhu, et al. "Stress damage process of silicon wafer under millisecond laser irradiation." Chinese Optics Letters 16, no. 1 (2018): 011404. http://dx.doi.org/10.3788/col201816.011404.

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18

Fracture, &. Structural Integrity Research Group. "Residual stress redistribution induced by fatigue in cold-drawn prestressing steel wires." Construction and Building Materials 114 (June 7, 2016): 317–22. https://doi.org/10.1016/J.CONBUILDMAT.2016.03.037.

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In this paper the evolution of diverse residual stress states (similar to the ones produced after a cold drawing process) during several fatigue loading schemes is analysed. Thus, numerical simulations by finite element method were carried out applying diverse fatigue loading schemes to several cold drawn wires with a residual stress state associated. Numerical results reveal the key role of plastic strains produced by fatigue loading causing a redistribution of the residual stress when tensile stresses are placed at the wire surface. However, a negligible effect is obtained for wires with a c

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19

Mešić, Elmedin, Enis Muratović, Lejla Redžepagić-Vražalica, et al. "Experimental & FEM Analysis of Orthodontic Mini-Implant Design on Primary Stability." Applied Sciences 11, no. 12 (2021): 5461. http://dx.doi.org/10.3390/app11125461.

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The main objective of this research is to establish a connection between orthodontic mini-implant design, pull-out force and primary stability by comparing two commercial mini-implants or temporary anchorage devices, Tomas®-pin and Perfect Anchor. Mini-implant geometric analysis and quantification of bone characteristics are performed, whereupon experimental in vitro pull-out test is conducted. With the use of the CATIA (Computer Aided Three-dimensional Interactive Application) CAD (Computer Aided Design)/CAM (Computer Aided Manufacturing)/CAE (Computer Aided Engineering) system, 3D (Three-dim

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Capello, Edoardo, and Quirico Semeraro. "Process Parameters and Residual Stresses in Cylindrical Grinding." Journal of Manufacturing Science and Engineering 124, no. 3 (2002): 615–23. http://dx.doi.org/10.1115/1.1428328.

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The paper presents an experimental study on the relationship between process parameters and residual stresses in cylindrical grinding. In particular, the influence of the depth of cut (a) and the peripheral velocity of the workpiece vw was investigated. Residual stresses were found to depend on both parameters, but the effect of the peripherial velocity depends on the grinding conditions. In “easy to grind” conditions an increase in workpiece velocity leads to an increase in residual stresses, but in “difficult to grind” conditions an increase in workpiece velocity results in a decrease in res

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21

Shen, Jiamin, Kexin Ding, Zhiming Yu, Yuzhen Zhang, Jun Ni, and Yuhuan Wu. "Aquorin Bioluminescence-Based Ca2+ Imaging Reveals Differential Calcium Signaling Responses to Abiotic Stresses in Physcomitrella patens." Plants 14, no. 8 (2025): 1178. https://doi.org/10.3390/plants14081178.

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Calcium ions (Ca2+) are an important secondary messenger in plant signal transduction networks. The cytosolic free Ca2+ concentration ([Ca2+]i) of plants changes rapidly when they are subjected to different abiotic stresses, which drives calcium signaling. Although this process has been extensively studied in spermatophytes, the details of calcium signaling in bryophytes remains largely unknown. In our study, we reconstituted aequorin in the bryophyte Physcomitrella patens, optimized the percentage of ethanol in the Ca2+ discharging solution, and measured the [Ca2+]i changes induced by differe

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Costa, Ane Catarine Tosi, Mariano Russo, A. Alberto R. Fernandes, James R. Broach, and Patricia M. B. Fernandes. "Transcriptional Response of Multi-Stress-Tolerant Saccharomyces cerevisiae to Sequential Stresses." Fermentation 9, no. 2 (2023): 195. http://dx.doi.org/10.3390/fermentation9020195.

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During the fermentation process, yeast cells face different stresses, and their survival and fermentation efficiency depend on their adaptation to these challenging conditions. Yeast cells must tolerate not only a single stress but also multiple simultaneous and sequential stresses. However, the adaptation and cellular response when cells are sequentially stressed are not completely understood. To explore this, we exposed a multi-stress-tolerant strain (BT0510) to different consecutive stresses to globally explore a common response, focusing on the genes induced in both stresses. Gene Ontology

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Hajavifard, Ramin, Fawad Maqbool, Anke Schmiedt-Kalenborn, Johannes Buhl, Markus Bambach, and Frank Walther. "Integrated Forming and Surface Engineering of Disc Springs by Inducing Residual Stresses by Incremental Sheet Forming." Materials 12, no. 10 (2019): 1646. http://dx.doi.org/10.3390/ma12101646.

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Disc springs are conical annular discs, which are characterized by a high spring force with a small spring travel and good space utilization. In operation, they must meet high demands on the stability of the spring characteristic and the fatigue strength. Under loading, tensile stresses occur which limit the possible applications of disc springs. Compressive stresses can be generated in the stressed areas by means of shot-peening in order to extend the operating limits for a given yield and fatigue strength. Since the spring geometry and characteristics change during shot-peening, the design o

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Paterson, N., A. Tawn, K. Williams, and A. D. Nurse. "On the numerical modelling of laser shearing of glass sheets used to optimize production methods." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 218, no. 1 (2004): 1–11. http://dx.doi.org/10.1243/095440604322786901.

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The problem of the control of the propagating crack tip during laser shearing (or zero width laser cutting of glass) is essentially one of controlling the stress field within the substrate. The glass substrate is stressed thermally using surface absorption of 10.6 μm laser radiation followed by cooling, in this case from a fine atomized waterjet. The stresses created in a large sheet, combined with the residual stresses within the glass substrate, are sufficient to propagate a subsurface flaw to form a controlled crack that gives excellent cut quality. This process has previously been studied

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Hagen, Leif, Jonas Baumann, Markus Heidelmann, Dirk Biermann, and Wolfgang Tillmann. "Machine Hammer Peening and Its Effect on the Surface Integrity of Arc-Sprayed WC-W2C-FeCMnSi Coatings." Coatings 13, no. 9 (2023): 1563. http://dx.doi.org/10.3390/coatings13091563.

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With respect to post-processing techniques in the field of surface engineering, it was recently found that machine hammer peening (MHP) represents a promising approach to functionalizing thermally sprayed coatings as the MHP contributes to a compression of the coating, enabling the potential to reduce the coating porosity as well as the protruding peaks of the rough as-sprayed coating surface. The MHP also has the potential to induce compressive residual stresses in the coating surface, which can positively affect the mechanical and tribological properties. Arc-sprayed tungsten carbide-reinfor

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Nawangsih, S. K., and Putri Rismala Sari. "STRES PADA MANTAN PENGGUNA NARKOBA YANG MENJALANI REHABILITASI." Jurnal Psikologi Undip 15, no. 2 (2017): 99. http://dx.doi.org/10.14710/jpu.15.2.99-107.

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This is a qualitative phenomenological research aimed to understand stress of a former drug users whose under rehabilitation process. This research focused on factors that influencing and implications due to stresses of former drug users. Data collection method used is the method that used in this research is semi-structured interview, observations by non-participants, checklists, and documentations. Subject in this research determined by the cooperative ability of former drug users whose undergoing rehabilitation, which is three women as participants, at former drug users social rehabilitatio

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Алешин, А. Н., А. С. Бугаев, О. А. Рубан, В. В. Сарайкин, Н. Ю. Табачкова та И. В. Щетинин. "Энергетические затраты при формировании упругонапряженного состояния в слоях ступенчатого метаморфного буфера в гетероструктуре, выращенной на подложке (001) GaAs". Физика и техника полупроводников 53, № 8 (2019): 1086. http://dx.doi.org/10.21883/ftp.2019.08.48000.9129.

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AbstractOn the basis of data on X -ray structural analysis performed by the method of reciprocal-space mapping and investigations using secondary-ion mass spectrometry and transmission electron microscopy, it is shown that vertical compressive stresses also arise in a multilayer epitaxial heterostructure comprised of a step-graded metamorphic buffer along with lateral compressive stresses. The cause of the appearance of vertical stresses is the effect of interlayer hardening, which arises due to the deceleration of fragments of glide dislocations by interphase boundaries. Analysis performed wi

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M., Dyuthi Priya, R. Vijaya Prakash Dr., and Purna Chandra Sekhar B. "Modeling and Structural Analysis of Aircraft Wing with Different Materials Using FEM." Advancement in Mechanical Engineering and Technology 5, no. 3 (2022): 1–14. https://doi.org/10.5281/zenodo.7439946.

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<em>Aircraft Wing structure consists of skin, ribs and spar sections. The spar carries flight loads and the weight of the wings while on the ground. Other structural and forming members such as ribs are attached to the spars, with stressed skin. The wings are the most important lift producing part of the aircraft. The design of wings may vary according to the type of aircraft and its purpose. Experimental testing of wing structure is more expensive and time consuming process. In this project detailed design of aircraft wing structure made by using CATIA V5 R20. Then structural analysis of the

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29

Li, Yongsheng, Xingrong Wang, Yue Li, et al. "Transcriptomic Analysis Revealed the Common and Divergent Responses of Maize Seedling Leaves to Cold and Heat Stresses." Genes 11, no. 8 (2020): 881. http://dx.doi.org/10.3390/genes11080881.

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Temperature stresses (TS), including cold and heat stress, adversely affect the growth, development, and yield of maize (Zea mays L.). To clarify the molecular mechanisms of the tolerance of maize seedling leaves to TS, we applied transcriptomic sequencing of an inbred maize line, B73, with seedlings exposed to various temperature conditions, including normal temperature (NT, 25 °C), cold (4, 10, and 16 °C), and heat (37, 42, and 48 °C) stresses. Differentially expressed genes (DEGs) were detected in different comparison between the NT sample and each temperature-stressed sample, with 5358, 54

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Brovman, T. V. "Sustainability research continuous rolling process." Physics and Chemistry of Materials Treatment 2 (2023): 78–80. http://dx.doi.org/10.30791/0015-3214-2023-2-78-80.

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The stability of the workpiece during rolling depends on the compression stresses and the duration of the stresses. At low rolling speeds, creep deformation plays an important role. The influence of the accuracy of the shape of the workpiece and the location of the rolls and wires on improving the reliability of the mill is shown.

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Hirano, Tatsumi, Daiko Takamatsu, Kosuke Kuwabara, et al. "In Situ Stress Measurements during Welding Process." Materials Science Forum 905 (August 2017): 137–42. http://dx.doi.org/10.4028/www.scientific.net/msf.905.137.

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Welding technologies are indispensable for fabricating various industrial structures and must be highly reliable. Since tensile residual stresses at surface after welding cause crack progress, it is important to understand how stresses built up during the welding process in order to optimize final residual stresses as reduced tensile or introduced compressive stresses. Therefore, we conducted in-situ measurements of phase transformations, stresses and temperatures during tungsten inert gas (TIG) welding to understand how stresses built up. X-ray diffraction rings were detected per 0.1 sec duri

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Adegbuyi, Patrick, Kasali Adedeji, and Ridwan OlaGbadamosi. "Process Parameters on the Mean Residual Stress of Aluminum Alloy 3004-H19 Cups in the Deep Drawing Process." International Journal of Scientific Engineering and Research 7, no. 2 (2019): 31–36. https://doi.org/10.70729/ijser18613.

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SAMAN, Alias Mohd, Takashi UEDA, Kazuto FUJISAWA, Tatsuaki FURUMOTO, Akira HOSOKAWA, and Tomohiro KOYANO. "509 Temperature and Acoustic Emission Monitoring in Thermal Stress Cleaving Process." Proceedings of Conference of Hokuriku-Shinetsu Branch 2014.51 (2014): _509–1_—_509–2_. http://dx.doi.org/10.1299/jsmehs.2014.51._509-1_.

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Зернин, Михаил, and Mikhail Zernin. "APPLICABILITY ANALYSIS OF STRESS STATE CRITERIA FOR DESCRIPTION OF BABBIT LAYER FATIGUE DESTRUCTION IN SLIDER BEARINGS." Bulletin of Bryansk state technical university 2019, no. 9 (2019): 4–14. http://dx.doi.org/10.30987/article_5d9317b223f295.08713337.

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The criteria of stressed state equivalence used for fatigue process simulation are shown. Different criteria offered by various investigators for slider bearings are described. A procedure is offered for the estimate of different criteria applicability on the basis of experimental investigation results. It is shown that for tin-based babbit layers it is possible to use the first basic stress as a criterion, but at that it is necessary to take into account a propping action of lubricant coming in a crack under pressure (radial stresses).

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Li, Jinbo, Xiaohui Chen, and Xianlong Liu. "Investigation of process parameters and plate local thickening on residual stresses in hot stamping process." Mechanics & Industry 22 (2021): 18. http://dx.doi.org/10.1051/meca/2021015.

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In this paper, local-thickened plates are adopted for aluminum alloy square cups stamping with relatively low values of residual stresses and small radius at the bottom corner. By utilizing numerical and experimental methods, the effects of process parameters and plate local thickening on the residual stress distribution of hot stamped aluminum alloy square cups are studied. Furthermore, the influence of plate local thickening on the radius of bottom corner of square cups is also investigated. The results showed that with an increase in the forming temperature, blank holder force and die corne

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Daniewicz, S. R., and S. D. Cummings. "Characterization of a Water Peening Process." Journal of Engineering Materials and Technology 121, no. 3 (1999): 336–40. http://dx.doi.org/10.1115/1.2812383.

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A traversing water jet was used to impact the surface of 1100 series aluminum specimens in an effort to generate compressive residual stresses on the surface. Stresses induced by the water peening operation were measured using X-ray diffraction, and compressive stress increases as large as 60 percent of the monotonic yield strength resulted. Surface roughness and hardness were also measured. Finite element modeling of a stationary water jet impinging on an elastic-plastic half-space was performed to characterize the water peening process. Surface residual stresses were found to be a result of

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Kimura, Yoshitaka, Naomi Philip, Arun Chavan, and Ruslan Medzhitov. "Proteostasis maintenance by macrophage trogocytosis." Journal of Immunology 212, no. 1_Supplement (2024): 1318_4183. http://dx.doi.org/10.4049/jimmunol.212.supp.1318.4183.

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Abstract Cells are frequently exposed to a wide variety of stresses that perturb cellular fitness. Stressed cells autonomously drive the defense mechanism to maintain their homeostasis, such as DNA repair program upon DNA damage and chaperone induction and protein degradation pathway upon protein misfolding. However, how cell-to-cell interaction contributes to the maintenance of cellular fitness has been elusive. Here, we show that macrophages interact with proteotoxically stressed cells and promote their proteostasis. Cells undergoing protein aggregate accumulation are detected by macrophages

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Andrei, Oana Cella, Livia Alice Tănăsescu, Ioana Daniela Tărlungeanu, Magdalena Natalia Dina, and Mircea Horia Tierean. "Finite Element Comparative Analysis of Von Mises Stress Levels in Unilateral Removable Partial Denture with and without Distal Implant." Applied Sciences 12, no. 10 (2022): 5116. http://dx.doi.org/10.3390/app12105116.

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The aim of this paper is to compare von Mises stress levels and displacements between two possible designs of a class II Kennedy unilateral removable partial denture. Finite element analysis was used to compare two unilateral class II Kennedy removable partial dentures replacing a mandibular second premolar, and first and second molars and with the same design, except a distal implant. The 3D model was created for a mandibular RPD with three artificial teeth and double ball attachment on the abutment teeth and a horizontal ball attachment for the implant, using Autodesk Inventor 2022 software.

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ZHAO, GUIPING, SANG-KYO LEE, and CHONGDU CHO. "EFFECT OF COMPRESSIVE RESIDUAL STRESS INDUCED DURING FABRICATING PROCESS IN THE CORE OF CLAMPED SANDWICH PLATE UNDER SHOCK LOADING." International Journal of Modern Physics B 22, no. 09n11 (2008): 1195–200. http://dx.doi.org/10.1142/s0217979208046530.

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Sandwich panels can be manufactured in many ways like lamination press, closed mold fabrication, and vacuum bag compaction. During manufacturing, the core and the sheets are attached under certain applied pressure and temperature, associated with a deformation and stress remaining in the sandwich core. This study presents an evaluation of the compressive residual stress effect of the core which occurs during the localized shock loading at the mid-span of a clamped sandwich plate. We simulate such a square lattice core sandwich plate by commercial finite element code, ABAQUS/Explicit. We apply

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Filip, Ryszard, Kamil Ochał, Kamil Gancarczyk, Wojciech Jerzy Nowak, Barbara Kościelniak, and Bartek Wierzba. "Characteristics of Impulse Carburization LPC Process." Materials 14, no. 15 (2021): 4269. http://dx.doi.org/10.3390/ma14154269.

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In the present work, Pyrowear53 steel was subjected to the impulse carburizing LPC process. After carburation, the material was quenched and tempered. Postprocessing analyses included the measurement of hardness, carbon content, residual austenite, and residual stresses. The results revealed that the thermochemical treatment resulted in the formation of an approximately 1200 µm wide carburized layer. The results of hardness, carbon content, and residual austenite measurement showed a continuous gradient (drop) in the measured values within the carburized layer. However, the results of residual

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Gupta, R. R. "Reflection of Waves in Initially Stressed Transversely Isotropic Fibre-Reinforced Thermoelastic Medium." International Journal of Applied Mechanics and Engineering 18, no. 3 (2013): 671–85. http://dx.doi.org/10.2478/ijame-2013-0041.

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Abstract The present investigation deals with the reflection of plane periodic waves incident at the surface of a homogeneous initially stressed transversely isotropic fibrereinforced thermoelastic medium. The wave equations are solved by imposing proper conditions on displacements, stresses and temperature distribution. Numerically simulated results have been depicted graphically for different angles of incidence with respect to frequency. Some special cases of interest have also been deduced from the present investigation

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Joshi, Jaya, Ghulam Hasnain, Taylor Logue, et al. "A Core Metabolome Response of Maize Leaves Subjected to Long-Duration Abiotic Stresses." Metabolites 11, no. 11 (2021): 797. http://dx.doi.org/10.3390/metabo11110797.

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Abiotic stresses reduce crop growth and yield in part by disrupting metabolic homeostasis and triggering responses that change the metabolome. Experiments designed to understand the mechanisms underlying these metabolomic responses have usually not used agriculturally relevant stress regimes. We therefore subjected maize plants to drought, salt, or heat stresses that mimic field conditions and analyzed leaf responses at metabolome and transcriptome levels. Shared features of stress metabolomes included synthesis of raffinose, a compatible solute implicated in tolerance to dehydration. In addit

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R., Duraipandian, and Srinivasa Shishira. "A Study on Stress Management by Middle Level Employees with Special Reference to Knowledge Process Outsourcing Company." International Journal of Trend in Scientific Research and Development 3, no. 3 (2019): 1142–49. https://doi.org/10.31142/ijtsrd21632.

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Human Resources Management is a function in organizations formulated to augment employee performance in service of an employers strategic objectives. An employee is affected by intrinsic and extrinsic factors at work and his her success depends on how he she overcomes those factors and creates a good name in the Organization among his her peers. Knowledge process outsourcing KPO describes the outsourcing of core information related business activities which are competitively crucial and forms an essential part of a companys value chain. KPO requires strengthened analytical and technical skills

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Bolobov, V. I., I. V. Zhuikov, and G. G. Popov. "THE INFLUENCE OF PIPE STRESS STATE ON THE PITTING CORROSION RATE OF OILFIELD PIPELINES." Petroleum Engineering 21, no. 4 (2023): 109–20. http://dx.doi.org/10.17122/ngdelo-2023-4-109-120.

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An analytical review is given on the influence of the stressstrain state on the process of corrosion pitsformation in the process of internal corrosion of the field oil pipelines wall. The views of domestic and foreign researchers on the causes of the corrosion process intensification under the stresses action, as well as on the mechanisms of the stress-strain state influence on the process of pitting formation, are presented. Two main reasons for the intensification of corrosion under the stress-strain state influence are indicated: a decrease in the thermodynamic stability of metals and a de

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Kostov, Vladimir, Jens Gibmeier, and Alexander Wanner. "Laser Surface Hardening of Steel: Effect of Process Atmosphere on the Microstructure and Residual Stresses." Materials Science Forum 772 (November 2013): 149–53. http://dx.doi.org/10.4028/www.scientific.net/msf.772.149.

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The effect of processing atmosphere on the microstructure and residual stresses are studied for laser surface hardening on steel samples of grade AISI 4140. Samples were hardened in air, vacuum and inert gas atmosphere (Helium) by means of a stationary laser beam. A high-power diode laser (HPDL) system was used in combination with a custom-designed process chamber. Residual stress distributions in lateral and in depth direction were analysed after laser processing by means of X-ray diffraction according to the well known sin² - method. X-ray residual stress analyses were supplemented by micro

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Li Kangmei, 李康妹, 何幸哲 He Xingzhe, 蔡宇 Cai Yu та 胡俊 Hu Jun. "搅拌摩擦焊与激光冲击复合工艺的应力场仿真". Chinese Journal of Lasers 48, № 18 (2021): 1802008. http://dx.doi.org/10.3788/cjl202148.1802008.

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Yujie Fan, Yujie Fan, Jianzhong Zhou Jianzhong Zhou, Shu Huang Shu Huang, Jinrong Fan Jinrong Fan, Bin Gao Bin Gao, and Wei Zhu Wei Zhu. "Residual stress induced by multi-micro laser shock peening under overlapping process." Chinese Optics Letters 10, s1 (2012): S11408–311410. http://dx.doi.org/10.3788/col201210.s11408.

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Melekhov, V. I., I. I. Solovev, T. V. Tyurikova, and N. V. Ponomareva. "Improving the Stability of Wood-Cutting Saws by Thermoplastic Action on the Distribution of Residual Stresses in the Blade." Lesnoy Zhurnal (Forestry Journal), no. 6 (December 10, 2020): 172–81. http://dx.doi.org/10.37482/0536-1036-2020-6-172-181.

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The saw stability in operation defines the ability of the saw blade to resist the forces acting on it in the plane of greatest rigidity. The saw can work reliably only in case of maintaining stable balance, which is achieved through the creation of normalized residual stresses in certain zones of the saw blade by different methods. The stresses balance the forces of external influences. Compressive stresses are created in the central part of the blade to make the circular saw operational. These stresses compensate the forces of centrifugal acceleration, temperature heating of individual zones

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Aneshensel, Carol S., and William R. Avison. "The Stress Process." Society and Mental Health 5, no. 2 (2015): 67–85. http://dx.doi.org/10.1177/2156869315585388.

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Al Ali, Mohamad. "The Welding Process as a Local Issue with Global Consequences." Advanced Materials Research 969 (June 2014): 340–44. http://dx.doi.org/10.4028/www.scientific.net/amr.969.340.

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The welding process causes transient thermal stresses and non-continuous plastic strains around the weld due to the induced high temperatures. Uneven heating and cooling during the welding process cause a residual stresses in the welded member. The paper deals with the local influence of welding process and its global consequences at the creation and final redistribution of welding stresses. The paper also presents a verification of Modified empirical formulae, developed by the author, using experimental results of research program oriented to the effects of welding stresses and beams local st

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