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متالوژی::
جرم ریختنی کمسیمان
It was the well-known patents of Prost9 and Lafarge10 that presented the guidelines for the development of modern low-cement castables.
A "standard" bond system in low-cement castables is consisting of calcium - aluminate cement, microsilica, a finely milled calcined alumina and a~dispersant.
Lime contents from cement of 2.5-1% is now classified as low-cement castables while lime contents of 1-0.2% is classified as ultralow-cement castables.
As an example,12 a fireclay based low-cement castable with 4-5% water may develop a cold crushing strength of 110 MPa.
Table 3: Low-cement castables with 6% cement, q-value = 0.25.
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