IEC TR 62518 : 1.0
IEC TR 62518 : 1.0
RARE EARTH SINTERED MAGNETS - STABILITY OF THE MAGNETIC PROPERTIES AT ELEVATED TEMPERATURES
International Electrotechnical Committee
Specials
-
-
JIS K 0400-52-20:1998
$78.00 (-56%) $34.32
Table of Contents
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of magnetic flux loss due to temperature
4.1 Reversible flux loss
4.2 Irreversible flux loss
4.3 Permanent flux loss
5 Long term ageing of rare earth magnets
6 Experimental
7 Temperature stability
7.1 Flux change due to temperature
7.2 Effect of temperature on B[r] and H[cJ]
(demagnetization curves at different
temperatures)
7.3 The time effects at constant temperature
(influence of temperature exposure
and L/D)
7.4 The influence of H[cJ] on the irreversible flux loss for
Sm[2]Co[17] magnets
7.5 The influence of H[cJ] on the irreversible flux loss for
Nd-Fe-B magnets
7.6 Irreversible flux loss per decade
7.7 Permanent flux loss
8 Summary
Annex A (informative) Summary of temperature stability
graphs
Annex B (informative) Non-linearity of temperature
dependence of B[r] and H[cJ]
Bibliography
Abstract
Specifies the temperature behaviour of rare earth sintered magnets in detail for use in designing magnetic circuits exposed to elevated temperatures.
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 68 |
