Results 141 to 150 of about 11,021 (288)
An Aggregative Games Approach to Merger Analysis in Multiproduct‐Firm Oligopoly
The RAND Journal of Economics, EarlyView.ABSTRACT Using an aggregative games approach, we analyze horizontal mergers in a model of multiproduct‐firm price competition with CES and logit demand, allowing for arbitrary firm and product heterogeneity. We provide conditions under which a merger raises consumer surplus, and establish the dynamic optimality of a myopic, consumer‐surplus‐based ...
Volker Nocke, Nicolas Schutz
wiley +1 more source
Australian Endodontic Journal, EarlyView.ABSTRACT This study assessed how manufacturing sequence affects the metallurgical and mechanical properties of two nickel‐titanium instruments: Procodile Q (heat‐treated before machining) and Procodile +HT (heat‐treated after machining). Both instruments (n = 74 each, size 25/0.06) were analysed for design, NiTi composition, phase transformation ...
Emmanuel J. N. L. Silva +7 more
wiley +1 more source
The micro-Vickers hardness measurement of polyethylene by use of sputter deposited thin films.
, 1990 Kiyoshi Ikeda
openalex +2 more sources
Indentation size effect when measuring Vickers hardness
, 2022 Vasyl Ivanovich Moshchenok +1 more
openalex +2 more sources
Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 8, Page 3353-3367, August 2025.ABSTRACT Hot‐forged wheel bearing hubs are manufactured using a complicated fabrication process chain to obtain the desired microstructure and mechanical properties in different zones that experience varying local stress states. The different process steps modify the surface roughness and the residual stresses distribution and therefore affect the ...
Vo‐Huu‐Thuc Nguyen +6 more
wiley +1 more source
Effect of Stress Ratio on Very High Cycle Fatigue Properties of PM‐HIPed Inconel 625
Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 8, Page 3593-3610, August 2025.ABSTRACT This study investigated the impact of stress ratio on the fatigue performance and fatigue crack initiation characteristics of PM‐HIPed Inconel 625 in the very high cycle regimes. Ultrasonic fatigue tests, operating at a frequency of 20 kHz, were conducted on PM‐HIPed Inconel 625 samples under stress ratios of R = −1 and 0.1 up to the ultimate ...
Faezeh Javadzadeh Kalahroudi +3 more
wiley +1 more source
Estimation of Vickers hardness for spherical surface
, 2004 Naomi Hamada +2 more
openalex +2 more sources