DEFORMATION PROCESS OF ALUMINIUM ALLOY 2618. PART I: KINETICS OF DEFORMATION.

Kamineni Pitcheswara Rao; Metal Forming Lab Indian Inst of Technology; Yellapregada V R K Prasad

DEFORMATION PROCESS OF ALUMINIUM ALLOY 2618. PART I: KINETICS OF DEFORMATION.

Kamineni Pitcheswara Rao
, Metal Forming Lab Indian Inst of Technology
, Yellapregada V R K Prasad

City University of Hong Kong

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

1 Citation (Scopus)

Abstract

Aluminum alloy 2618 has been subjected to in-situ upset forming tests in the temperature range 300 to 800 K at strain rates of 0. 02 to 200 s** minus **1. Flow curves are obtained from transient measurements made during the tests. The flow stress is related to the process parameters by means of some empirical rate equations, and the apparent activation energy and apparent activation volume for hot deformation of the alloy is evaluated. Based on the evaluated activation parameters, a mechanism of dynamic recovery involving cross-slip of screw dislocations has been suggested as the rate-controlling deformation mechanism in hot deformation of 2618 alloy.

Original language	English
Journal	Aluminium (English Edition)
Volume	60
Issue number	3
Publication status	Published - Mar 1984

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title = "DEFORMATION PROCESS OF ALUMINIUM ALLOY 2618. PART I: KINETICS OF DEFORMATION.",

abstract = "Aluminum alloy 2618 has been subjected to in-situ upset forming tests in the temperature range 300 to 800 K at strain rates of 0. 02 to 200 s** minus **1. Flow curves are obtained from transient measurements made during the tests. The flow stress is related to the process parameters by means of some empirical rate equations, and the apparent activation energy and apparent activation volume for hot deformation of the alloy is evaluated. Based on the evaluated activation parameters, a mechanism of dynamic recovery involving cross-slip of screw dislocations has been suggested as the rate-controlling deformation mechanism in hot deformation of 2618 alloy.",

author = "\{Pitcheswara Rao\}, Kamineni and \{Indian Inst of Technology\}, \{Metal Forming Lab\} and Prasad, \{Yellapregada V R K\}",

year = "1984",

month = mar,

language = "English",

volume = "60",

number = "3",

}

TY - JOUR

T1 - DEFORMATION PROCESS OF ALUMINIUM ALLOY 2618. PART I

T2 - KINETICS OF DEFORMATION.

AU - Pitcheswara Rao, Kamineni

AU - Indian Inst of Technology, Metal Forming Lab

AU - Prasad, Yellapregada V R K

PY - 1984/3

Y1 - 1984/3

N2 - Aluminum alloy 2618 has been subjected to in-situ upset forming tests in the temperature range 300 to 800 K at strain rates of 0. 02 to 200 s** minus **1. Flow curves are obtained from transient measurements made during the tests. The flow stress is related to the process parameters by means of some empirical rate equations, and the apparent activation energy and apparent activation volume for hot deformation of the alloy is evaluated. Based on the evaluated activation parameters, a mechanism of dynamic recovery involving cross-slip of screw dislocations has been suggested as the rate-controlling deformation mechanism in hot deformation of 2618 alloy.

AB - Aluminum alloy 2618 has been subjected to in-situ upset forming tests in the temperature range 300 to 800 K at strain rates of 0. 02 to 200 s** minus **1. Flow curves are obtained from transient measurements made during the tests. The flow stress is related to the process parameters by means of some empirical rate equations, and the apparent activation energy and apparent activation volume for hot deformation of the alloy is evaluated. Based on the evaluated activation parameters, a mechanism of dynamic recovery involving cross-slip of screw dislocations has been suggested as the rate-controlling deformation mechanism in hot deformation of 2618 alloy.

UR - https://www.scopus.com/pages/publications/0021401450

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-0021401450&origin=recordpage

M3 - RGC 21 - Publication in refereed journal

VL - 60

JO - Aluminium (English Edition)

JF - Aluminium (English Edition)

IS - 3

ER -

DEFORMATION PROCESS OF ALUMINIUM ALLOY 2618. PART I: KINETICS OF DEFORMATION.

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