Blends of commercial 316L steel and boron nitride (BN) were consolidated using Spark Plasma Sintering (SPS). The components were mixed by high energy milling (using attritor) before sintering. The aim was to study the effect of BN on the microstructure and the mechanical properties. Two composites containing 0.5 and 2 wt.% BN were produced beside a pure 316L specimen. It was found that bimodal grain size distribution formed during the production. A bcc α'-phase formed during milling beside the main fcc γ-phase. The addition of BN resulted in a slightly higher dislocation density and a smaller grain size in the fine grained parts of the samples. At the same time, the elastic modulus and the strength determined by bending test were reduced, most probably due to the weak bonding between the 316L and the BN grains, and the lower fraction of α'-phase.
|Journal||IOP Conference Series: Materials Science and Engineering|
|Publication status||Published - Oct 18 2018|
|Event||11th Hungarian Conference on Materials Science, 2017 - Balatonkenese, Hungary|
Duration: Oct 15 2017 → Oct 17 2017
ASJC Scopus subject areas
- Materials Science(all)