Synthesis of barium hexaferrite by the oxidation of a metallic barium-iron precursor

Journal of the American Ceramic Society

Volumn 80, Issue 6, 1997, Pages 1508-1516

  Ward, Greg A ^a,b,c   Sandhage, Kenneth H ^a,b  

^a Ohio State University   (United States)

^b AMERICAN CERAMIC SOCIETY   (United States)

^c GENERAL MOTORS CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANNEALING; COERCIVE FORCE; MAGNETIC FIELD EFFECTS; MAGNETIC TAPE; MAGNETIZATION; OXIDATION; ROLLING; SILVER; SYNTHESIS (CHEMICAL);

BARIUM HEXAFERRITES;

FERRITES;

EID: 0031165078     PISSN: 00027820     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1151-2916.1997.tb03010.x     Document Type: Article

References (75)

1. T. Abraham, "Economics of Ceramic Magnets," Am. Ceram. Soc. Bull., 73 [8] 62-65 (1994).
2. A. Goldman, Modem Ferrite Technology; pp. 87-344. Van Nostrand Reinhold, New York, 1990.
3. H. Lemaire, "Sintered Magnetically Hard Materials: Present and Future," Powder Metall., 25 (3] 165-72 (1982).
4. 19,"Mater. Lett., 14 [5] 291-94 (1992).
5. K. Melzer, A. Martin, T. Klink, and P. Wartewig, "Reaction Kinetics and Magnetic Properties of Ba and Sr Ferrites," Hyperfine Interact., 68, 429-32 (1991).
6. Y.-T. Chien, H.-C. Pan, and Y.-C. Ko, "Preparation and Properties of Barium Ferrite Using Hot-Rolled Mill Scale," J. Am. Ceram. Soc., 72 [8] 1328-32 (1989).
7. J. L. Gumaste, B. B. Nayak, R. K. Galgali, and B. C. Mohanty, "Barium Hexaferrite Magnet by Topotactic Reaction Method," J. Mater. Sci., 23, 3125-28 (1988).
8. S. K. Dey and J. S. Reed, "Magnetic Properties of Press-Forged Barium Ferrite," Am. Ceram. Soc. Bull., 64 [4] 571-75 (1985).
9. A. M. Gadalla and H. W. Hennicke, "Formation of Barium Hexaferrite," J. Magn. Magn. Mater., 1, 144-52 (1975).
10. J. S. Reed and R. M. Fulrath, "Characterization and Sintering Behavior of Ba and Sr Ferrites," J. Am. Ceram. Soc., 56 [4] 207-11 (1973).
11. G. C. Bye and C. R. Howard, "The Synthesis of Barium Hexaferrite from Iron Oxide and Barium Carbonate. 1. General Features of the Reaction," J. Appl. Chem. Biotechnol., 21, 319-23 (1971).
12. J. Beretka and M. J. Ridge, "The Reaction Between Iron(III) Oxide and Barium Carbonate in Vacuo," J. Chem. Soc. A, [10] 2463-65 (1968).
13. 19," J. Can. Ceram. Soc., 34, 155-62 (1965).
14. M. Schieber, "Preparation and Magnetic Heat Treatment of Barium Ferrite Permanent Magnet Containing Lead Oxide Addition," Am. Ceram. Soc. Bull., 40 [9] 563-67 (1961).
15. M.-L. Wang, Z.-W. Shih, and C.-H. Lin, "Reaction Mechanism Producing Barium Hexaferrites from Goethite and Barium Hydroxide by Hydrothermal Method," J. Cryst. Growth, 130, 153-61 (1993).
16. 19 Properties," Solid State Ionics, 63-65, 207-12 (1993).
17. P. Brahma, D. Chakravorty, K. Singh, and D. Bahadur, "Preparation of Barium Hexagonal Ferrites by Sol-Gel Method," J. Mater. Sci. Lett., 9, 1438-40 (1990).
18. R. Chandrasekhar, S. W. Charles, K. O'Grady, S. Morup, and J. van Wonterghem, "Preparation and Characterization of Barium Hexaferrite Powders Produced by Decomposition of Organometallic Complexes," Adv. Ceram. Mater., 2 [1] 65-68 (1987).
19. K. Oda, T. Yoshio, K. Hirata, K. O-Oka, and K. Takahashi, "Preparation of Barium Ferrites frorn, Metal Alkoxides," J. Jpn. Soc. Powder Powder Metall., 29 [5] 170-75 (1982).
20. 19 Particles," J. Solid State Chem., 101, 265-74 (1992).
21. W. A. Kaczmarek, B. W. Ninham, and A. Calka, "Structure and Magnetic Properties of Aerosol-Synthesized Barium Ferrite Particles," J. Appl. Phys., 70 [10] 5909-11 (1991).
22. 19 Powders," J. Mater. Sci., 27, 2941-45 (1992).
23. 19 Crystals," J. Solid State Chem., 8, 339-47 (1973).
24. 19," J. Appl. Phys., 44 [7] 3300-305 (1973).
25. 19 Powders by the Glass-Ceramic Method," J. Mater. Sci. Lett., 11, 893-95 (1992).
26. T. Fujiwara, "Barium Ferrite Media for Perpendicular Recording," IEEE Trans. Magn., MAG-21 [5] 1480-85 (1985).
27. 19 Particles Prepared by the Glass-Ceramic Method," J. Mater. Sci. Lett., 4, 876-79 (1985).
28. B. T. Shirk and W. R. Buessem, "Magnetic Properties of Barium Ferrite Formed by Crystallization of a Glass," J. Am. Ceram. Soc., 53 [4] 192-96 (1970).
29. W. Roos, "Formation of Chemically Coprecipitated Barium Ferrite," J. Am. Ceram. Soc., 63 [11] 601-603 (1980).
30. 19," J. Am. Ceram. Soc. 57 [8] 354-57 (1974).
31. M. L. Wade and D. G. Agresti, "Synthesis and Characterization of Pure Barium Ferrite Prepared by a Glycine-Metal Nitrate Combustion Method"; pp. 165-70 in Synthesis and Processing of Ceramics: Scientific Issues, Materials Research Society Symposium Proceedings, Vol. 249. Edited by W. E. Rhine, T. M. Shaw, R. J. Gottschall, and Y. Chen. Materials Research Society, Pittsburgh, PA, 1992.
32. 19 Fine Particles," J. Appi Phys., 57 [1] 4280-82 (1985).
33. E. Lucchini, S. Meriani, and G. Slokar, "Sintering of Glass-Bonded Ceramic Barium Hexaferrite Magnetic Powders," J. Mater. Sci., 18, 1331-34 (1983).
34. B. T. Shirk and W. R. Buessem, "Theoretical and Experimental Aspects of Coercivity versus Particle Size for Barium Ferrite, " IEEE Trans. Magn., MAG-7 [3] 659-63 (1971).
35. 3 Additions on the Sintering and Magnetic Properties of Strontium Ferrite," Proc. Br. Ceram. Soc., [18] 125-38 (1970).
36. A. L. Stuijts, "Sintering of Ceramic Permanent Magnetic Material," Trans. Br. Ceram. Soc., 55, 57-74 (1956).
37. H. J. Schmutzler, K. H. Sandhage, and J. C. Nava, "Fabrication of Dense, Shaped Barium Cerate by the Oxidation of Solid Metal-Bearing Precursors," J. Am. Ceram. Soc., 79 [6] 1575-84 (1996).
38. K. H. Sandhage, "Electroceramics and Process for Making the Same," U.S. Pat. No. 5 318 725, June 7, 1994.
39. 3 by the Oxidation of a Solid Metallic Precursor," J. Am. Ceram. Soc., 77 [3] 721-29 (1994).
40. M. Antony and K. H. Sandhage. "Barium Titanate/Noble Metal Laminates Prepared by the Oxidation of Solid Metallic Precursors," J. Mater. Res., 8 [11] 2968-77 (1993).
41. K. H. Sandhage, "Processes for Fabricating Structural Ceramic Bodies and Structural Ceramic-Bearing Composite Bodies," U.S. Pat. No. 5 447 291, Sept. 5, 1995.
42. H. J. Schmutzler and K. H. Sandhage, "Transformation of Ba-Al-Si Precursors to Celsian by High-Temperature Oxidation and Annealing," Metall. Mater. Trans. B, 26B [2] 135-48 (1995).
43. K. H. Sandhage, S. M. Allameh, and H. L. Fraser, "A Novel Solid-Metal-Bearing Precursor (SMP) Route to Near-Net-Shaped Alkaline-Earth Aluminosilicates"; pp. 499-506 in Fourth Euro-Ceramics: Basic Science - Developments in Processing of Advanced Ceramics, Part 1, Proceedings of Fourth European Ceramic Society Conference (Oct. 2-6, 1995, Riccione, Italy). Edited by C. Galassi. Gruppo Editoriale Faenza Editrice. Faenza, Italy, 1995.
44. 2) Bodies by the Oxidation of Solid Metallic Precursors"; pp. 113-24 in Processing and Fabrication of Advanced Materials: Ceramic and Ceramic Matrix Composites. Edited by V. A. Ravi, T. S. Srivatsan, and J. J. Moore. The Minerals, Metals, and Materials Society, Pittsburgh, PA, 1994.
45. S. M. Allameh, K. H. Sandhage, and H. L. Fraser, "Synthesis of Near-Net-Shaped, Celsian-Bearing Ceramics by the Oxidation of Solid, Metal-Bearing Precursors (SMP)"; pp. 867-79 in Proceedings of Fourth International Symposium on Processing and Fabrication of Advanced Materials, ASM-TMS Fall Meeting (Cleveland, OH, Oct. 30-Nov. 2, 1995). The Minerals, Metals, and Materials Society, Warrendale, PA, 1996.
46. c Wires Made by the Metallic Precursor Process," J. Metals, 45 [9] 48-52 (1993).
47. K. H. Sandhage, "Process for Making Ceramic/Metal and Ceramic/Ceramic Laminates by Oxidation of a Metal Precursor," U.S. Pat. No. 5 259 885, Nov. 9, 1993.
48. 7-Y/Ag Microlaminates by an Oscillating Oxidation Scheme," J. Electrochem. Soc., 139 [6] 1661-71 (1992).
49. A. Otto, "The Oxidation, Formation, and Properties of Superconducting Oxide-Silver Composites"; Ph.D. Thesis. Massachusetts Institute of Technology, Cambridge, MA, Feb. 1991.
50. c Superconducting Compounds III (New Orleans, LA, Feb. 17-21, 1991). Edited by S. H. Whang, A. DasGupta, and E. Collings. The Minerals, Metals, and Materials Society, Warrendale, PA, 1991.
51. W. Gao. S.-C. Li, D. A. Rudman, G. J. Yurek, and J. B. Vander Sande, "Oxidation of Bi(Pb)-Sr-Ca-Cu-Ag Metallic Precursors to Produce Oxide/Ag Superconducting Microcomposites," J. Electrochem. Soc., 137 [6] 1951-57 (1990).
52. x Produced by Oxidizing Metallic Precursors," Phvsica C (Amsterdam), 156, 45-56 (1988).
53. O. Kubaschewski and B. E. Hopkins, Oxidation of Metals and Alloys, 2nd ed.; pp. 39-41, 108-14, 208-12. Butterworth, London, U.K., 1962.
54. M. S. Chandsasekharaiah and J. L. Margrave, "The Kinetics of Oxidation and Nitridation of Lithium, Calcium, Strontium, and Barium," J. Electrochem. Soc., 108 [11] 1008-12 (1961).
55. D. Cubicciotti, "The Oxidation of Calcium at Elevated Temperatures,quot; J. Am. Chem. Soc., 74 [1] 557-58 (1952).
56. T. E. Leontis and F. N. Rhines, "Rates of High-Temperature Oxidation of Magnesium and Magnesium Alloys," Trans. Am. Inst. Min. Metall. Eng., 166, 265-94 (1946).
57. N. B. Pilling and R. E. Bedworth, "The Oxidation of Metals at High Temperatures," J. Inst. Met., 29, 529-82 (1923).
58. I. Karakaya and W. T. Thompson, "The Ag-O (Silver-Oxygen) System," J. Phase Equilib., 13 [2] 137-42 (1992).
59. L. B. Pankratz, J. M. Stuve, and N. A. Gokcen, Thermodynamic Data for Mineral Technology, Bulletin 677; p. 262. Bureau of Mines, U.S. Department of the Interior, Washington, DC, 1984.
60. J. C. Chaston, "Oxygen in Silver"; pp. 304-309 in Silver: Economics, Metallurgy, and Use. Edited by A. Butts and C. Coxe. Krieger, Melbourne, FL, 1982.
61. Standard Methods for Determining Average Grain Size," ASTM Designation E 112. 1992 Book of ASTM Standards. Vol. 03.01. American Society for Testing and Materials, Philadelphia, PA.
62. Powder Diffraction File, Card No. 39-1433, International Centre for Diffraction Data, Newtown Square, PA, 1988.
63. 3 and the Effects on Microstructure and Magnetic Properties Useful for Permanent Magnets and Magnetic Recording Devices," J. Magn. Magn. Mater., 82, 129-50 (1989).
64. J. H. Westbrook (Ed.), Moffatt's Handbook of Binary Phase Diagrams, Vol. 1. Genium, Schenectady, NY, 1992.
65. R. C. Weast (Ed.), Handbook of Chemistry and Physics, 55th ed.; p. D-190. CRC Press, Cleveland, OH, 1975.
66. P. Kofstad, High-Temperature Corrosion; pp. 248, 249, 369, 382. Elsevier, New York, 1988.
67. M. H. Davies, M. T. Simnad, and C. E. Birchenall, "On the Mechanism and Kinetics of the Scaling of Iron," J. Met., 3 [10] 889-96 (1951).
68. T.-T. Fang, J. B. Hwang, and F. S. Shiau, "The Role of Silica in Sintering Barium Ferrite," J. Mater. Sci. Lett., 8, 1386-88 (1989).
69. A. M. Gadalla, H. E. Schutz, and H. W. Hennicke, "Effect of Some Additions on the Sinterability and Magnetic Properties of Barium Hexaferrite." J. Magn. Magn. Mater., 1, 241-50 (1976).
70. 19 Hexagonal Ferrite," Jpn. J. Appl. Phys., 28 [4] 604-608 (1989).
71. T. Fujiwara, "Magnetic Properties and Recording Characteristics of Barium Ferrite Media," IEEE Trans. Magn., Mag-23 [5] 3125-30 (1987).
72. 19 Single Crystals," J. Appl. Phys., 40 [3] 1294-96 (1969).
73. G. W. Rathenau, J. Smit, and A. L. Stuyts. "Ferromagnetic Properties of Hexagonal Iron-Oxide Compounds with and without a Preferred Orientation," Z. Phys., 133, 250-60 (1952).
74. A. L. Stuijts, G. W. Rathenau, and G. H. Weber, "Ferroxdure II and III, Anisotropic Permanent-Magnet Materials," Philips Tech. Rev., 16 [5] 141-47 (1954).
75. M. Tokar, "Increase in Preferred Orientation in Lead Ferrite by Firing," J. Am. Ceram. Soc., 51 [10] 601-602 (1968).