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Synthesis of nanocrystalline spinel phase by mechanical milling of Al-Cu-Fe and Al-Cu-Cr-Fe quasicrystalline alloys

Mukhopadhyay, N.K.; Yadav, T.P.; Tiwari, R.S.; Srivastava, O.N. (Oldenbourg Wissenschaftsverlag, 2008)

In the present study, a low-temperature synthesis of (Cu,Fe)Al 2O4 and (Cu,Cr,Fe)Al2O4 spinels from the quasicrystalline phases was investigated with the variation of process parameters during milling and annealing. The ...
Inverse Hall Petch Like Mechanical Behaviour in Nanophase Al Cu Fe Quasicrystals

Mukhopadhyay, N.K.; Ali, F.; Scudino, S.; and et. al. (Polska Akademia Nauk, 2014-08)

The structural and mechanical stability of quasicrystals are important issues due to their potential for possible applications at high temperatures and stresses. The aim of the present work is, therefore, to review the ...
Leaching of Al-Based Polygrain Quasicrystalline and Related Crystalline Surfaces

Yadav, T.P.; Mishra, S.S.; Pandey, S.K. (Polska Akademia Nauk, 2014-08)

In the present investigation, we have studied leaching on polygrain Al-based quasicrystalline (i-Al63Cu25Fe12) as well as crystalline (B2 phase; Al55Cu30Fe15) alloy surfaces using a 10 mole NaOH solution. The surface was ...
Development of ultrafine-grained microstructure in Al-Cu-Mg alloy through equal-channel angular pressing

Anuhya, Danam Sai; Gupta, Ashutosh; Nayan, Niraj; and et. al. (Institute of Physics Publishing, 2014)

Al-Cu-Mg alloys are extensively used for riveting applications in aerospace industries due to their relatively high shear strength coupled with high plasticity. The significant advantage of using V65 aluminum alloy ...
Effect of surface nanostructure on tensile and low cycle fatigue behavior of Al 2014 alloy

Chattopadhyay, K; Pandey, V; Srinivas, N C S (Institute of Physics Publishing, 2014-07-04)

Aluminium alloy 2014 is an important age hardening alloy for aerospace industries. Effect of ultrasonic shot peening (USSP) in peak aged condition of this alloy was studied on its surface microstructure, tensile properties ...
Low Cycle Fatigue behavior of AA7075 with surface gradient structure produced by Ultrasonic Shot Peening

Pandey, Vaibhav; Chattopadhyay, K.; Santhi Srinivas, N.C.; Singh, V. (Elsevier B.V., 2016-06)

Effect of ultrasonic shot peening (USSP) for different durations, with graded surface structures, was studied on low cycle fatigue behavior of the aluminium alloy 7075 (AA7075) at room temperature. LCF tests were conducted ...
Ratcheting Strain Accumulation Due to Asymmetric Cyclic Loading of Zircaloy-2 at Room Temperature

R.S., Rajpurohit; Srinivas, N.C. Santhi; Singh, Vakil (Elsevier B.V., 2016-06)

Asymmetric stress cycling leads to accumulation of plastic strain which is called as ratcheting strain. The problem is generally associated with nuclear fuel cladding materials used in nuclear power plants and in pressurized ...

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