H. Umaki

Initiation of High Temperature Creep Voids in Notched Components.

Isamu Nonaka, Hideo Umaki, Kenji Hatanaka, 1999 .

Evaluation of Creep-Fatigue Damage for Boiler Header Stub.

I. Nonaka, H. Umaki, M. Kitagawa, 1992 .

Creep Damage Evaluation on 2.25Cr-1Mo Heat Exchange Tubes by Intra-granular Distortion Analysis

H. Umaki, M. Nakashiro, H. Yoshizawa, 1996 .

CREEP-FATIGUE LIFE EVALUATION FOR WELDMENTS OF MODIFIED 9CR-1MO STEEL AT BOILER TEMPERATURES

I. Nonaka, H. Umaki, S. Kihara, 1998 .

Improvement of Omega Method for Creep Life Prediction

K. Sawada, K. Maruyama, J. Koike, 1997 .

Intra-granular Distortion of 2.25Cr-1Mo Steel Crept at Various Test Conditions

H. Umaki, M. Nakashiro, S. Kihara, 1996 .