When the recoil springs dont get changed on a regular basis, or the frames are insufficiently lubed, you can crack an aluminum frame. Although Ive come across very few. The 3rd gen aluminum frames, especially in the TSW series are very durable.
My duty guns were the 4506-1, 4516, 4566, 3913 and 4513TSW which I am still carrying in retirement. Regards 18DAI