Title

Analysis of microstructures and XRD of a gradient boron alloyed composite material

RIS ID

77966

Publication Details

Xie, G., Wang, Q., Mi, X., Xiong, B., Han, J., Liu, J. & Jiang, Z. (2013). Analysis of microstructures and XRD of a gradient boron alloyed composite material. Advanced Materials Research, 680 113-118.

Abstract

A new type of gradient boron alloyed composite material, containing boron alloyed core layers and stainless steel coatings around the core, were designed and prepared by composite casting and hot rolling. The evolution of microstructures, phases and precipitations, as well as their influence on hot rolling process and performance are investigated. A mixture of austenitic matrix and uniformly distributed borides are obtained in the hot rolled stainless steel with 2-2.5 % boron, while massive borides are in the length of 80-120 μm together with micro gaps at the interface between the borides, and the matrix is remained after hot rolling for the core layers with higher boron contents. Hot deformation would be hindered since more precipitations of these orthorhombic or tetragonal phases occur with an increase of the boron concentration in the core layers. © (2013) Trans Tech Publications, Switzerland.

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