By Dana Bell
Ninety six pages, research folks army airplane colour schemes from 1926 to 1942, bw and colour illustrations
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Additional resources for Air Force Colors 1926 - 1942 Vol. I
P. Davim Another aspect of the profile height statistical distribution is given alternatively by the cumulative probability function P(y>h), which reflects the cumulative probability of a profile height to be higher than a given level h, below the higher profile reference line. This function has a direct physical meaning, that of representing the real material cross section at each level h and it is also called the bearing area curve or Abbott−Firestone curve. Evidently, there is plenty of information provided by this curve about real contact and bearing capacity of surface.
Rlo, the developed length of the profile; it is a measure of the profile openness related directly to the profile slope and is a useful parameter for coating applications. 2 Surface Texture Characterization and Evaluation Related to Machining 43 Surface Waviness Surface roughness has attracted a lot of attention as an important machinability parameter. Surface waviness is usually considered more as a symptom of malfunctions in the machine tool system or poor machining, than a dependent machining variable.
62] evaluated implants with different SI obtained by blasting with particles of Al2O3, and reported that rough implants have greater bone contact compared with a turned surface and that the surface blasted with 75-µm particles showed more bone-to-implant contact than either a 25-µm or a 250-µm blasted surface. These results suggested that an intermediary average roughness (Ra) would optimize bone formation in close contact with the implant. Evaluations of in-vitro biocompatibility of Ti using osteoblast cell cultures have also indicated that rough surfaces would favor the development of some cell activities.
Air Force Colors 1926 - 1942 Vol. I by Dana Bell