Figure 8From: Simulation and Experimental Study on Improving Electrochemical Machining Stability of Highly Convex Structures on Casing Surfaces Using Backwater PressureThe machined samples: a open outlet mode with a feed rate of 0.6 mm/min, b back-pressure outlet mode with a feed rate of 0.7 mm/min and back pressure of 0.5 MPaBack to article page