927876.fig.009
Figure 9: Surface temperature evolution in intermittent upgrinding 𝑇 ( 𝑡 , 𝑥 , 0 ) for 𝑥 ( 𝛿 , 𝛿 ) and 𝑡 = 𝑡 𝑚 / 5 , taking 𝑚 = 1 , 2 , 3 , 4 , 5 (red, orange, green, blue, magenta, resp.).