Zobrazeno 1 - 10
of 21
pro vyhledávání: '"623"'
Publikováno v:
Materials Letters. 301:130358
Fine grains of Two-phase Mg-Li alloy could be achieved by severe plastic deformation. The alloy exhibited a superplastic behavior with a maximum elongation of 306.6% at 623 K with an initial rate of 1.5 × 10−2 s−1. The value of the strain rate s
Publikováno v:
Materials Letters. 65:74-77
The aim of this study is to investigate the microstructure, martensitic transformation behavior, shape memory effect and superelastic property of Ti 49.6 Ni 45.1 Cu 5 Cr 0.3 alloy, with Cu and Cr substituting for Ni. After annealing, the alloy showed
Autor:
Vera G. Sursaeva
Publikováno v:
Materials Letters. 64:105-107
Faceting and migration of incoherent twin grain boundary in Zn [1120] flat single crystals has been investigated. The stationary shape of the slowly migrating incoherent twin grain boundary of the twin plate tip was studied and migration velocity was
Publikováno v:
Materials Letters. 63:2067-2069
The wetting behavior of a new Sn-Bi-Cu Pb-firee solder on Cu substrate was investigated by sessile drop method under an Ar-H(2) flow in the temperature range from 493 K to 623 K. The contact angle curves tested at 548 K and 623 K are found to fit exp
Publikováno v:
Materials Letters. 61:4406-4408
Equal channel angular pressing (ECAP) has been conducted on as-cast Mg–4.3 wt.%Zn–0.7 wt.%Y Mg alloy containing quasicrystal phase at a temperature of 623 K. After 8 ECAP passes, the grain size of the as-cast alloy is decreased from ∼ 120 to
Publikováno v:
Materials Letters. 234:245-248
In this study, the authors successfully obtained high strain-rate superplasticity (HSRS) for an AZ91 Mg alloy using rapidly solidified flaky powder metallurgy (RS FP/M). The RS FP/M AZ91 shows an elongation to failure of 465% at a temperature and ini
Publikováno v:
Materials Letters. 279:128493
There have been many studies concentrating on high-temperature thermoelectric properties of non-doping V2O5 thin films and doping ones, but high power factor (PF) of V2O5 thermoelectrics have been rarely reported up to now, particularly low temperatu
Autor:
Ajay Dhar, Rajesh Reddy, Naval Kishor Upadhyay, Lakshmi Annamalai Kumaraswamidhas, Yury V. Kolen'ko, Kishor Kumar Johari, Nagendra S. Chauhan, Bhasker Gahtori, Sanjay R. Dhakate, Sivaiah Bathula
Publikováno v:
Materials Letters. 265:127428
The time and energy efficient synthesis of high performance β-Zn4Sb3 is essential for its thermoelectric (TE) based commercialization. In the present work, a facile yet scalable single-step processing has been demonstrated by employing reactive sint
Publikováno v:
Materials Letters. 185:109-111
Stabilization behaviors of high-pressure e-phase by high-pressure torsion process in the Fe-Mn alloys having different stacking fault energies (i.e., γ-phase stabilities) were investigated. Stabilization of high-pressure e-phase at ambient condition
Publikováno v:
Materials Letters. 140:103-106
Achieving grains of less than 100 nm in bulk PbTe-based alloys is challenging, and yet can improve the thermoelectric performance of the alloys by reducing lattice thermal conductivity κ lat . In this study, nanostructured Na 0.02 Pb 0.98 Te samples