Compositions: ceramic – Ceramic compositions – Refractory
Patent
1981-03-23
1982-12-28
McCarthy, Helen M.
Compositions: ceramic
Ceramic compositions
Refractory
106 84, 106 85, 106104, 106109, 428703, 501124, 501125, 501127, 501128, C04B 3502
Patent
active
043662552
ABSTRACT:
A highly reinforced refractory is disclosed. In accordance with the invention higher reinforcement of refractory shapes such as plunging bells or injection lances is achieved by infiltrating a bed of metal fibers in a mold with an aqueous slurry of a refractory material containing a superplasticizer. Refractory Concrete comprises e.g. calcium aluminate cement, alumina aggregate of 35 mesh or less maximum particle size, sulfonated naphthalene formaldhyde as superplasticizer and greater than 4 volume % metal (steel) fibers.
REFERENCES:
patent: 4208214 (1980-06-01), Stein et al.
Lankard, D. R. et al., Bull Am. Cer. Soc. 50 (5) 1971, "Use of Steel Wire Fibers in Refractory Castables", pp. 497-500.
Hewlett, P. et al., ACI Journal, May 1977, "Superplasticized Concrete", pp. N6-N11.
Haynes, H. H., "Investigation of Fiber Reinforcement Methods for Thin Shell Concrete", Tech. Note N-979, Naval Civil Eng. Lab., Port Hueneme, Ca., Sep. 1968.
Kiesler, R. E., Concrete Construction, "Flowing Concrete", Jan. 1979, pp. 25-27.
Bache, H. H., Published Int'l Patent Appl'n W080/00959, May 15, 1980.
McCarthy Helen M.
Wahl Refractory Products, Company
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