Magnetic materials. A review of progress

Brailsford, F.; Oliver, D. A.; Hadfield, D.; Polgreen, G.R.

doi:10.1049/ji-1.1948.0195

Cited by 4 publications

(5 citation statements)

References 8 publications

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“…Soft materials are surveyed by Yensen (1939Yensen ( , 1948, and hard by Hoselitz (1946). A recent most valuable review of progress on magnetic materials by Brailsford et al (1948) contains sections on electrical sheet steels , permanentmagnet materials (Oliver and Hadfield 1948) and magnetic powder cores (Polgreen 1948). Finally, a very clear and concise account of magnetic materials is given in an Encyclopaedia article by Bozorth (1947).…”

Section: (I) Introductorymentioning

confidence: 99%

“…The main interest of these alloys, however, is in their intrinsic magnetization characteristics, and since the problem of their low field properties is similar in kind to that of other more fully investigated alloys, they will not be considered here. (For references, see Bitter (1937), Brailsford et al (1948), Sucksmith (1949 a).) Although far less work has been carried out on the non-metallic than on the metallic ferromagnetics much of it is of such a character that an account of it sufficiently detailed to be useful could not conveniently be incorporated in the present or the earlier report (cf.…”

Section: (I) Introductorymentioning

confidence: 99%

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Ferromagnetism: magnetization curves

Edmund

1950

Rep. Prog. Phys.

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Section: (I) Introductorymentioning

confidence: 99%

Section: (I) Introductorymentioning

confidence: 99%

Ferromagnetism: magnetization curves

Edmund

1950

Rep. Prog. Phys.

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“…(81) briefly reviewed development of the ferromagnetic theory. Magnetostriction, magnetic anisotropy, and hysteresis were also discussed.…”

Section: Properties Of Alloysmentioning

confidence: 99%

“…Jellinghaus and Schlechtweg (175) tested the validity of the Weiss-Langevin law of the variation of magnetization with temperature by comparison of Weiss and Forrer's measurements on nickel. Brailsford et al (81) briefly reviewed development of the ferromagnetic theory. Special requirements of transformer steels are considered along with nickel-iron alloys.…”

Section: Properties Of Alloysmentioning

confidence: 99%

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Nickel and High-Nickel Alloys

Teeple¹

1950

Ind. Eng. Chem.

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The I n t e r n a t i o n a l Nickel C o m p a n y , Znc., N e w Y o r k , N . Y .presentannual review of published references to the use COMYOSlTIONS OF ALLOYS A number of new alloys were reported, most of them designed to achieve improved mechanical or physical properties over those currently available. Kinsey and Stewart (f 83) described preliminary studies on nickel-aluminum-molybdenum alloys to develop an alloy for use under stress at 815' C. (1500' F.) and upward. Griffiths (142) reported improvements in high temperature performance of nickel-cobalt base alloys through suitable heat treatments. Additional modifications are reported (36, f22, I W ) leading to improvements in properties of these alloys.Doyle (109) specified improved compositions relating to nickel-, cobalt-, and chromium-base alloys for high temperature service,The alloys consist of 10 to 72% nickel, 10 to 39.5% cobalt, 15 to 20% chromium, 2.7 to 5.7% aluminum, 1.55 to 3.5% titanium, and specified ranges of silicon, titanium, manganese, columbium, molybdenum, vanadium, tantalum, or tungsten either singly or in combination. Heat treatment is also specified. Scott and Gordon (263) described a precipitation hardening austenitic alloy composed of 15 to 35% uickel, 20 to 40% cobalt, 17 to 22% chromiuni, 3 tu 15% molybdenum, 1 to 9% tungsten, 0.5 to 3% mauganese, 0.1 to 0.7% silicon, less than 0.2% carbon, and the balance iron. Age-hardening heat treatments we described. Craighead et al. (99) reported binary alloys of titanium with nickel and cobalt and ternary alloys of titanium-chromium alloys with nickel and cobalt among others. Charts on properties and diagrams are included.Allen (2) described an alloy suitable for electrical resistor elements consisting of 10 to 30% chromium, silver and aluminum, each in amounts within the range of 3 to 5% but total amount within range of 6 to 8%, and the balance nickel. An improved electrical resistance material composed of oxides of manganese, cobalt, nickel, and copper, with manganese forming from 50 to 60% of the total metal present,, is report.ed (36). A specific composition is claimed in which the atomic proportions are 50% manganese, 16% nickel, 30% cobalt, and 4% copper.Kubaschewski and Goldbeck (f89) studied the mechanism of the oxidation of nickel-platinum alloys containing 0 to 90 atomic % platinum. Various conclusions drawn are believed to be generally applicable to other similar alloys. Elsea and McBride (111) investigated the influence of nitrogen, iron, or nickel additions upon the transformation and precipitation reactions occurring in cobalt-rich cobalt-chromium alloys. I t was found that these elements tend to promote formnt,ion of t.he gamma phase. Improvements relating to electrical resistance elements are described (SI), together with a componition of an alloy of low temperature coefficient of resistance, which contains 10 to 30% chromium, 1 to 4y0 aluminum, and the balance nickel.A nickel-base alloy is described (55) suitable for use in spheroidal cast iron. A process is described (60) ...

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Laminated ferromagnetic cores at very low inductions for use in line communication

Halsey

1950

Proceedings of the IEE - Part II: Power Engineering

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Magnetic materials. A review of progress

Cited by 4 publications

References 8 publications

Ferromagnetism: magnetization curves

Ferromagnetism: magnetization curves

Nickel and High-Nickel Alloys

Laminated ferromagnetic cores at very low inductions for use in line communication

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