strain= [0.000, 0.014, 0.028, 0.042, 0.057, 0.071, 0.085, 0.099, 0.113, 0.127, 0.141, 0.156, 0.170, 0.184, 0.198];
stress = [0.000, 0.214, 0.432, 0.656, 0.863, 1.024, 1.282, 1.571, 1.659, 1.957, 2.229, 2.371, 2.686, 2.664, 2.984];
plot(strain, stress,'-k*');
xlabel('strain', 'FontSize', 16)
ylabel('stress (MPa)', 'FontSize', 16)
axis('tight')
set(gca,'FontSize',16)