February AMP_Digital

A D V A N C E D M A T E R I A L S & P R O C E S S E S | F E B R U A R Y / M A R C H 2 0 1 9 4 0 iTSSe TSS iTSSe TSS FEATURE Fig. 4 — (a) Deposition of HVOF carbide coating on a gate valve gate; (b) gate valve schematic; and (c) cross section of WC-10%Co-4%Cr coating with 1284 Vickers hardness and 0.11% porosity. (a) (b) (c) Fig. 5 — (a) Well stimulation pump; (b) cross section of metallurgically-bonded, wear resistant coating for pump plunger; 697 Vickers hardness and 0.3% porosity; base metal shown at bottom of image. (a) (b) Fig. 6 — Advanced thermal barrier coating comprised of cold sprayed MCrAlY bond coating (near bottom of image, above base metal) and SPS-deposited YSZ top coating (top half of image). Courtesy of National Research Council of Canada’s Surftec industrial consortium. 6