you may not be so glad when I tell you that composite alu/carbon steerer forks fracture at the meeting point of the two materialsInteresting thread. If I've understood correctly, carbon steerers are so delicate the expander plug needs to be directly under the stem clamp to avoid distortion or breakage? I'm just glad all my carbon forks have aly steerer tubes.
I've dished out the most disgraceful punishment to all carbon steerers and they've just said 'thankyou, Master'