Nature CommunicationsBending-fatigue-resistant hierarchical NiTi shape memory alloyKai YanKangjie ChuMaoli WangPeng HuaPengbo WeiHanlin GuQiming ZhuangWeifeng HeQingping SunRobert O. RitchieFuzeng Ren2026-05-13Full textDOI https://doi.org/10.1038/s41467-026-72857-z