Martensite Stabilization Effect in the Ni50Ti50 Alloy After Preliminary Deformation by Cooling Under Constant Stress

2020 ◽  
Vol 6 (2) ◽  
pp. 223-231 ◽  
Author(s):  
Sergey Belyaev ◽  
Natalia Resnina ◽  
Alexandra Ivanova ◽  
Irina Ponikarova ◽  
Elizaveta Iaparova
Keyword(s):  
Constant Stress ◽  
Preliminary Deformation ◽  
Martensite Stabilization ◽  
Stabilization Effect

Influence of chemical composition of NiTi alloy on the martensite stabilization effect

2019 ◽  
Vol 787 ◽  
pp. 1365-1371 ◽  
Author(s):  
S. Belyaev ◽  
N. Resnina ◽  
E. Iaparova ◽  
A. Ivanova ◽  
T. Rakhimov ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Niti Alloy ◽  
Martensite Stabilization ◽  
Stabilization Effect

Kinetics of Martensitic Phase Decomposition in the Cu-10wt.%Al Alloy with Ag Additions

2008 ◽  
Vol 47-50 ◽  
pp. 101-104 ◽  
Author(s):  
A.T. Adorno ◽  
R.A.G. Silva
Keyword(s):  
Decomposition Reaction ◽  
Martensitic Phase ◽  
Al Alloy ◽  
Eutectoid Decomposition ◽  
Phase Decomposition ◽  
Structure Defects ◽  
Martensite Stabilization ◽  
Stabilization Effect ◽  
Ag Additions ◽  
Kinetics Of

The study of the kinetics of martensitic phase decomposition in the Cu-10wt.%Al alloy with Ag additions showed that the presence of Ag retarded the eutectoid decomposition reaction and enhanced martensite stabilization. This stabilization effect was attributed to Ag atoms redistribution as structure defects, increase in the numbers of Cu-Al pairs due to Ag-Al interaction and the Al atoms redistribution around one Cu atom at the sub-lattice of the martensitic crystal.

Time Dependances of the Resistance Coefficients of Polymeric Materials

INEOS OPEN ◽  
2020 ◽  
Vol 3 ◽  
Author(s):  
A. V. Matseevich ◽  
◽  
A. A. Askadskii ◽  
Keyword(s):  
Time Dependence ◽  
Physical Mechanism ◽  
Polymeric Materials ◽  
Resistance Coefficient ◽  
Constant Stress ◽  
Time To Rupture ◽  
Structure Sensitive ◽  
Material Durability ◽  
Resistance Coefficients ◽  
Extremal Character

One of the possible approaches to the analysis of a physical mechanism of time dependence for the resistance coefficients of materials is suggested. The material durability at the constant stress is described using the Zhurkov and Gul' equations and the durability at the alternating stress—using the Bailey criterion. The low strains lead to structuring of a material that is reflected in a reduction of the structure-sensitive coefficient in these equations. This affords 20% increase in the durability. The dependence of the resistance coefficient assumes an extremal character; the maximum is observed at the time to rupture lg tr ≈ 2 (s).

Stabilization Effect of Anionic Polyacrylamide on Marine Clay Treated with Lime

2020 ◽  
Vol 20 (6) ◽  
pp. 04020050
Author(s):  
Huayang Lei ◽  
Jinfeng Lou ◽  
Xin Li ◽  
Mingjing Jiang ◽  
Cike Tu
Keyword(s):  
Marine Clay ◽  
Stabilization Effect ◽  
Anionic Polyacrylamide

An Inquiry into Unionizing Home Healthcare Workers: Benefits for Workers and Patients

2003 ◽  
Vol 29 (1) ◽  
pp. 117-138
Author(s):  
Kristin Jenkins Gerrick
Keyword(s):  
Health Insurance ◽  
Chest Pain ◽  
Healthcare Worker ◽  
Healthcare Workers ◽  
Constant Stress ◽  
Home Healthcare ◽  
Client Needs

Susan Carter has not been feeling well for days. She would like to see a doctor about her chest pain and wheezing, but Susan knows that missing work will leave her client without a replacement and, worse, she could be fired. Susan is a home healthcare worker in Illinois. Like many of her fellow workers, Susan has no health insurance and cannot afford to risk losing her job by going to see a doctor.Often, Susan feels unable to handle the constant stress of her job. She helps her clients bathe and dress, prepares their meals and assists them with their medications and housekeeping. Susan travels by bus daily to care for two to five clients. She carries a pager day and night in case a client needs help with a plugged catheter or another emergency. Susan often has to work seven days a week, and she steps in to care for patients whose caregivers have left for better-paying jobs.

Deformation induced martensite stabilization in Ni45Mn36.7In13.3Co5 microparticles

2021 ◽  
Vol 870 ◽  
pp. 159536
Author(s):  
V. Sánchez-Alarcos ◽  
V. Recarte ◽  
D.L.R. Khanna ◽  
J. López-García ◽  
J.I. Pérez-Landazábal
Keyword(s):  
Martensite Stabilization

scholarly journals Critical Dynamics of Defects and Mechanisms of Damage-Failure Transitions in Fatigue

Materials ◽  
2021 ◽  
Vol 14 (10) ◽  
pp. 2554
Author(s):  
Oleg Naimark ◽  
Vladimir Oborin ◽  
Mikhail Bannikov ◽  
Dmitry Ledon
Keyword(s):  
Fatigue Damage ◽  
Kinetic Equations ◽  
Experimental Methodology ◽  
Preliminary Deformation ◽  
Scaling Properties ◽  
In Situ Data ◽  
Number Of Cycles ◽  
Fish Eye ◽  
Very High

An experimental methodology was developed for estimating a very high cycle fatigue (VHCF) life of the aluminum alloy AMG-6 subjected to preliminary deformation. The analysis of fatigue damage staging is based on the measurement of elastic modulus decrement according to “in situ” data of nonlinear dynamics of free-end specimen vibrations at the VHCF test. The correlation of fatigue damage staging and fracture surface morphology was studied to establish the scaling properties and kinetic equations for damage localization, “fish-eye” nucleation, and transition to the Paris crack kinetics. These equations, based on empirical parameters related to the structure of the material, allows us to estimate the number of cycles for the nucleation and advance of fatigue crack.

scholarly journals A novel aluminum-based shale inhibitor and its wellbore stabilization effect

2021 ◽  
Vol 60 (6) ◽  
pp. 5463-5471
Author(s):  
Zhenzhen Wei ◽  
Shanyu Zhu ◽  
Cui Li
Keyword(s):  
Stabilization Effect
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