Embodiments of the present invention comprises a method for preparing a composite article, and such an article that includes at least first and second regions. The first region may include a first composite material, wherein the first region comprises a cubic carbides of less than 5% by weight, and the second region may include a second composite material, wherein the second compound material is different from the first composite material according to at least one feature. Composite article can further comprise at least one coolant channel. In certain embodiments, the first and the second composite material may comprise hard particles in a binder separately, the hard particles, where at least one of the independently a carbide, nitride, boride, silicide, oxide, and their solid solutions and including, the binder comprises at least one metal selected from cobalt, nickel, iron and alloys thereof. In certain embodiments, the first composite material and the second composite material may comprise a metal carbide, such as cemented carbide to individually binder.