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The Vickers hardness of cold pre-deformed and aged Ti-1300 alloys at 400 °C for 5 h is the highest given the same reduction of cold pre-deformation. This result is mainly attributed to the marked effects of the microstructures on the mechanical properties of Ti-1300 alloys upon aging at different temperatures.


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Laser powder bed fusion (LPBF), a metal additive manufacturing technology, is well-suited for design optimization but fatigue life is limited by manufacturing defects. In …


There is an Open Access version for this licensed article that can be read free of charge and without license restrictions. The content of the Open Access version may differ from


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The size was B = 25 mm, W = 50 mm, and the minimum pre-crack was longer than 1.3 mm or 2.5%W. The fatigue crack was prefabricated with sine wave loading and stress ratio R = 0.1. The pre-crack and fracture toughness tests were conducted on the MTS testing machine. Charpy V-notch impact specimen was used in the impact test.


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tethered ball grinder rotary files. tethered ball grinder rotary files TC ROTARY BURR, BALL TYPE KUD 6mm Automotive Maximum cutting edge stability with a simultaneous high tenacity of the cutting edge High performance tungsten-carbide rotary burrs with cross toothing Higher cutting capacity compared with simple toothing Particularly useful for materials which …


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Biomass as an energy source in coal co-firing and its feasibility enhancement via pre-treatment techniques Buddhike Neminda Madanayake, Suyin Gan, …


The effect of loop length and composition on quadruplex conformation and stability has been well investigated in the past, but the effect of flanking bases on quadruplex stability and Watson-Crick ...


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The human BCL-2 gene contains a 39-bp GC-rich region upstream of the P1 promoter that has been shown to be critically involved in the regulation of BCL-2 gene expression. Inhibition of BCL-2 expression can decrease cellular proliferation and enhance the efficacy of chemotherapy. Here we report the major G-quadruplex formed in the Pu39 G-rich strand in this BCL-2 promoter …


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Note that pre-cracking is achieved by choosing cyclic load that produce a far smaller plastic zone compared to plastic zone of the main fracture. The specimen was loaded such that the rate of increase of stress-intensity factor is between 0.5 MPa.m 1/2 /s and 3.0 MPa.m 1/2 /s during the initial elastic displacement. The test was continued until ...


Risk of implant failure increases profoundly in patients with pre-existing conditions (e.g., diabetes). Current therapies adopt a one-sided focus on the direct antibacterial properties of ...


Mechanochemistry is very attractive as an efficient, solvent-free, and simplified technique for the preparation of composite adsorbents. Here, a series of polyethyleneimine (PEI)-modified SiO2 adsorbents were prepared via mechanical ball milling for selective adsorption of CO2 at high temperatures. The structural properties of these adsorbents were characterized …


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