Complementary AES and AEM of grain boundary regions in irradiated. gamma. '-strengthened alloys

Conference · Wed Jan 01 00:00:00 EST 1986

OSTI ID:5774226

Farrell, K; Kishimoto, N; Clausing, R E; Heatherly, L; Lehman, G L

Two microchemical analysis techniques are used to measure solute segregation at grain boundaries in two ..gamma..'-strengthened, fcc Fe-Ni-Cr alloys that display radiation-induced intergranular fracture. Scanning Auger electron spectroscopy (AES) of grain boundary fracture surfaces and analytical electron microscopy (AEM) of intact grain boundaries using energy-dispersive x-ray spectroscopy show good agreement on the nature and extent of segregation. The elements Ni, Si, Ti, and Mo are found to accumulate in G, Laves and ..gamma..' phases on the grain boundaries. Segregation of P is detected by AES. The complementary features of the two analytical techniques are discussed briefly.

• Research Organization: Oak Ridge National Lab., TN (USA); National Research Inst. for Metals, Sakura, Ibaraki (Japan). Tsukuba Lab.
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 5774226
• Report Number(s): CONF-860421-33; ON: DE86010397
• Resource Relation: Conference: 2. international conference on fusion reactor materials (ICFRM-2), Chicago, IL, USA, 13 Apr 1986; Other Information: Portions of this document are illegible in microfiche products
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CHROMIUM ALLOYS
MICROSTRUCTURE
PHYSICAL RADIATION EFFECTS
IRON BASE ALLOYS
NICKEL ALLOYS
AUGER ELECTRON SPECTROSCOPY
GRAIN BOUNDARIES
PRECIPITATION HARDENING
SEGREGATION
ALLOYS
CRYSTAL STRUCTURE
ELECTRON SPECTROSCOPY
HARDENING
IRON ALLOYS
RADIATION EFFECTS
SPECTROSCOPY
360106* - Metals & Alloys- Radiation Effects
360102 - Metals & Alloys- Structure & Phase Studies