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Dynamic ductile fracture in pressure vessels is an increasingly important topic. Recent catastrophic pressurised pipeline failures highlighted the critical needs of reliable pipeline infrastructures. The ability for line pipe steels to resist fracture is a critical design factor for governing the severity level of fracture failures given that it determines if fracture propagates for several kilometres or is arrested quickly. Developing a reliable fracture toughness test to systematically evaluate new steel products’ quality is therefore important. In the current work, a novel small-scale fracture toughness parameter Omega was implemented and compared to the well-established parameter CTOA, with respect to their performance of characterizing steady-state fracture propagation and their dependencies to Fracture Speed. The current experimental data were collected from a 3-point bend dynamic Drop Weight Tear Test (DWTT) for 9 line pipe steels with different thicknesses and impact conditio ....
The Coordination Committee of the Tribal Organisations of Assam (CCTOA) has asked for a high-level investigation into the death of Junmoni Rabha, Sub-Inspector of Assam Police. ....
Assam s Minister for Welfare of Plains Tribes & Backward Classes (WPT&BC) Ranoj Pegu has assured that the State Government will complete the process of providing Constitutional status to those tribal. ....