Zao alloy. In particular, the use of NEG pumps is interesting for the vacuum system of negative ion The ZAO® alloy, developed by SAES Getters, Italy, provides a drastically improved performance for the pumping of hydrogen compared to conventional getter materials. Instruments 91 (2020) The ZAO alloy is covered by the granted European patents EP2745305 and EP3071720 as well as by corresponding new sintered getters based on the ZAO®alloy make them appealing for applications dealing with large fluxes of hydrogen and its isotopes, as typically occurs in fusion research. The material has been characterized in conditions relevant for NBI operation, giving useful and promising results. May 6, 2025 · Discover the UHV Wafer Module: a compact flangeless NEG pump with ZAO® alloy for distributed pumping in ultra-high vacuum (UHV) and XHV systems. The use of non-evaporable getter (NEG) pumps is common in many UHV applications, and the properties of the new sintered getters based on the ZAO<SUP loc="post">®</SUP>alloy make them appealing for applications dealing with large fluxes of hydrogen and its isotopes, as typically occurs in fusion research. The recent development of a new generation of Zr-V-Ti-Al (ZAO®) getter alloys with improved features makes NEG technology an attractive option in several fusion applications, including in particular, Neutral Beam Injectors (NBI). Aluminium-doped zinc oxide (ZAO) nanocrystals with uniform size, high purity and good degree of crystallinity were prepared by an ultrasonic–microwave assisted method. Recent improvements in the absorption of hydrogenic species, with the introduction of Zr–V–Ti–Al alloys (ZAO®), make them an appealing and viable solution for the application in fusion research, and in particular for the vacuum system of neutral beam injectors (hydrogen NEXTorr® “Z” Series, engineered with the novel ZAO® (Zr-V-Ti-Al) NEG alloy, offering enhanced hydrogen pumping speed and capacity, along with improved disk robustness and lower outgassing during activation All models in the D and Z series feature high-efficiency sputter ion pumps, optimized to work in synergy with the NEG element: A non-evaporable getter pump using the ZAO alloy was installed on TCV and operated during the 2019 experimental campaign. By comparing the features of the three alloys, the ZAO material appears the most promising for the proposed application because it requires the lower amount of material and a lower number of regeneration cycles. M. Sci. St 172 & ZAO® alloys ensure high gas sorption, stability & reactivation cycles. ZAO® pumping elements are very robust against repeated adsorption/desorption cycles and can work at room temperature or moderate temperatures like 150°C, without problems related to the freezing of components, radiative heat exchange or stray electrons, and with low power consumption. Apr 27, 2023 · NEG pumps are commonly used in UHV regimes, however, the peculiarity of the ZAO® alloy makes it the best choice for the application to higher pressures in the HV regime, such as those required for our application, with hydrogen pressure in the vessel p v of the order of tens of mPa during operation. In vacuum technology, capture pumps based on Non Evaporable Getters are commonly applied to ultra-high vacuum systems. In particular, the use of NEG pumps is interesting for the vacuum system of negative ion-based neutral beam The use of non-evaporable getter (NEG) pumps is common in many UHV applications, and the properties of the new sintered getters based on the ZAO®alloy… Discover CapaciTorr®: flanged NEG pumps with sintered getter disks for UHV & XHV. Sep 1, 2019 · Thanks to its properties, the ZAO ® getter material opens new perspectives for NEG application in next-generation fusion facilities. Mar 30, 2023 · The ZAO® alloy, developed by SAES Getters, Italy, provides a drastically improved performance for the pumping of hydrogen compared to conventional getter materials. High sorption capacity for H₂ and all active gases. The pump performance, determ… The use of non-evaporable getter (NEG) pumps is common in many UHV applications, and the properties of the new sintered getters based on the ZAO® alloy make them appealing for applications dealing with large fluxes of hydrogen and its isotopes, as typically occurs in fusion research. Mar 1, 2019 · This paper reports the experimental characterization of ZAO ® sintered getters, in pressure regimes and sorption amounts relevant for the use in the next generation NBI. The structure, optical proper By comparing the features of the three alloys, the ZAO material appears the most promising for the proposed application because it requires the lower amount of material and a lower number of The use of non-evaporable getter (NEG) pumps is common in many UHV applications, and the properties of the new sintered getters based on the ZAO®alloy make them appealing for applications dealing with large fluxes of hydrogen and its isotopes, as typically occurs in fusion research. Siragusa Numerical simulation of experimental tests performed on ZAO non-evaporable-getter pump designed for neutral beam injector applications Rev. In particular, the use of NEG pumps is interesting for the vacuum system of negative ion-based neutral beam . gfjl, yxhnr, ceet, 3vr3, r0cwtf, vtjai, wq6d, ed7v, fvof, f2rs0,