PT Unknown AU Eggeler, Y Enge, D Spiecker, E TI Assessing chemical and microstructural evolution at interfaces of $gamma$′- strengthened superalloys at high temperature by in situ TEM heating experiments SE European Microscopy Congress 2016: Proceedings PY 2016 BP 225 EP 226 DI 10.1002/9783527808465.EMC2016.6911 LA english PI Lyon, Frankreich ER