Fig. 2
From: Ultra strong pyroprotein fibres with long-range ordering

X-ray diffraction profiles of pyroprotein-based fibres by heating to 2800 °C. a,b WAXD patterns, c,d, 1D radial integration profiles of entire 2D patterns and e,f, 1D azimuthal intensity profiles of the radially integrated (002) peak with Gaussian fits for silk-fibre samples treated at different temperatures with and without axial stretching, respectively