MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Hydrogen treatment crushing alloy equipment
Enhanced Hydrogen Generation Performance of Al
2021年12月20日 The main problem for the application of hydrogen generated via hydrolysis of metal alloys is the low hydrogen generation rate (HGR) In this paper, active Al alloys were prepared using a new coupled methodmelting 2023年12月15日 In this work, we concentrate on Mg alloys for hydrogen storage, and construct the ML regression models to predict two important parameters of hydrogen storage properties, Exploration and design of Mg alloys for hydrogen storage with 2024年1月2日 This study addresses new ways to obtain a storage Mg 2 Ni alloy from pure Mg and Ni using highenergy reactive milling process followed by annealing heat treatments and Highly reactive hydrogen storage Mg2Ni alloy prepared by 2022年12月20日 Here, we report an approach for synthesizing FeTi from industrial scraps of iron (steels C45 and 316 L) and titanium (Ti alloy Grade 2) to reduce the carbon footprint Developing sustainable FeTi alloys for hydrogen storage by
TiFe Hydrogen Storage Alloys Produced by “Hydride Cycle” Method
2023年12月17日 It was shown that compacted pellets of TiFe and TiFe + 4 wt % Zr alloys are able to react with hydrogen in SHS, activation and conventional highpressure modes without 2024年1月25日 To design a steel microstructure that can effectively trap hydrogen and decrease embrittlement, three criteria must be considered: 1) the susceptibility of incorporated traps to Engineering metalcarbide hydrogen traps in steels Nature2024年1月2日 Retaining the tubular shape of MWCNTs provides favorable conditions for hydrogen absorption and release This study focuses on the preparation of a Mg 2Ni hydrogen High energy ball milling composite modification of Mg2Ni 2021年12月20日 In this paper, active Al alloys were prepared using a new coupled methodmeltingmechanical crushingmechanical ball milling method to enhance the HGR at room temperature(PDF) Enhanced Hydrogen Generation Performance of
A Comprehensive Review on Hydrogen Absorption
In this review, we provide a critical overview on the effect of mechanical alloying of various metal hydrides (MHs), ranging from binary hydrides (CaH 2, MgH 2, etc) to ternary hydrides (examples being TiMnN and CaLaMgbased 2022年1月21日 Metal hydrides are promising hydrogen storage materials Their extraordinary hydrogen adsorption capacity and selectivity make them ideal adsorbents for hydrogen Hydrogen purification by Mg alloy hydrogen adsorbent2022年6月21日 Hydrogen (H 2) is predicted to play a significant role in various sectors, including transportation, energy storage, and rechargeable batteriesSeveral research initiatives are underway to identify appropriate How are Hydrogen Storage Alloys Impacted by Heat 2024年1月2日 For the Mg 2 Ni alloy, fast hydrogen absorption kinetics at obtain a storage Mg 2 Ni alloy from pure Mg and Ni using highenergy reactive milling process followed by annealing heat treatments and hydrogen absorption cycles to improve thermal analysis in a NETZSCH STA 449 F1 Jupiter equipment and scanning electron Highly reactive hydrogen storage Mg2Ni alloy prepared by
(PDF) Preparation of Mg2Ni Hydrogen Storage Alloy
2022年7月11日 In this paper, Mg2Ni hydrogen storage alloy powder was prepared by highenergy ball milling mechanical alloying method, and the influence of stirring shaft rotation speed, ball milling time, and 2017年8月4日 Table 1 is the nominal chemical composition of the ascast ZTC4 alloy (the original material for the THT treatment) After a hightemperature static gas treatment (HSGT) of the ascast material, cylindrical specimens of 8 mm in diameter and 5 mm in height were machined from the bulk materialThen the THT treatment was performed on these samples, as Thermo hydrogen treatment for microstructure refinement To examine the hydrogen absorptiondesorption properties and kinetics ability of the HEA, a Sieverttype machine was used The alloy was crushed in air and sieved through a 75 µm sieve The crushed sample was transferred to the reactor of the Sieverttype equipment and was evacuated at room temperature for 3 h to remove possible moistureHighentropy alloy TiV ZrCrMnFeNi for hydrogen storage at room 2023年4月13日 The nickel content effects on the strength, plasticity, and lowcycle life of hardened and aged specimens of different modifications of austenitic ironnickel steels and alloys in the initial state and after preliminary hightemperature hydrogenation in hydrogen at a pressure of 30 MPa and temperatures of 293, 773 and 973 K were studied At 293 K, hydrogen Effect of Alloying and Heat Treatment on Embrittlement of FeCr
Effect of thermo hydrogen treatment on lattice defects and
2010年6月1日 Thermo hydrogen treatment (THT), or the use of hydrogen as a temporary alloying element due to the reversible reaction of hydrogen with titanium, is a special heat treatment technology of Tibased alloys In this approach, hydrogen is at first added into the alloy and then, removed by vacuum annealing to be a safety level2022年1月15日 In all heat treatment tests, the samples were sealed with quartz tubes to prevent hydrogen escaping during the heat treatment All samples were vacuum dehydrogenated in a tubular hydrogen treatment furnace for 2 h at 700 °C with details summarized in Table 2 After vacuum dehydrogenation treatment, the residual hydrogen was less than 20 ppmThe effect of hydrogen treatment on microstructures evolution 2020年10月9日 We consider a new approach to the solution of the problems of elevation of the wear resistance of cutting tools and enhancement the serviceability of structural materials It is based on the analysis of the physicomechanical and physicochemical influence of hydrogen in the cutting zone The hypothesis of hydrogendiffusion mechanical treatment and the concept of HydrogenDiffusion Mechanical Treatment of Structural Materials 2022年3月15日 For the MgNi alloy, also prepared by induction furnace, the composition corresponded to the formation of Mg 2 Ni and MgNi 2 phases Reaction with hydrogen was carried out in samples prepared by pulverization to reach sizes smaller than 710 µm Mg 2 Ni also reacted with H 2, with fast kinetics, at 20 bar and 325 °CMetallurgical processing of Mg alloys and MgH2 for hydrogen
Developing sustainable FeTi alloys for hydrogen storage by
2022年12月20日 FeTi alloys are efficient hydrogen storage mediums but their synthesis using highpurity metals poses considerable environmental sustainability concerns Here, industrial scraps of iron and 2018年3月1日 Al did not participate in hydrogen absorption, which diluted the amount of Mg in the AZ61 alloy, resulting in lower hydrogen absorption compared with pure Mg However, Al can destabilize MgH 2, which can improve the hydrogen desorption efficiency [3] Download : Download highres image (209KB) Download : Download fullsize image; Fig 13Effect of equal channel angular pressing (ECAP) on hydrogen 2021年12月20日 This method contains three steps, including the melting of Al, Ga, In, and Sn ingots with low melting alloy blocks and casting into plates, then crushing alloy plate into powders and ball milling (PDF) Enhanced Hydrogen Generation Performance 2021年8月9日 In this review article, many aspects of hightemperature hydrogen attack of steel are examined in a practical, topicbased format similar to that of API RP 571 This article is a result of reviewing over 220 articles on the subject, published mostly between 1938 and 2020, while some of them were already review articles citing research going back to the late A Comprehensive Examination of HighTemperature Hydrogen
Effect of Heat Treatments on Hydrogen Environment
high pressure hydrogen of 11 MPa up to 197 MPa and argon at room temperature up to 773 K The effect of the heat treatment on HEE of the alloy was discussed The effect of inhibitive gas added to hydrogen atmosphere to prevent hydrogen 2022年1月21日 Metal hydrides are promising hydrogen storage materials Their extraordinary hydrogen adsorption capacity and selectivity make them ideal adsorbents for hydrogen purification In particular, Mgbased materials demonstrate ultrahigh adsorption capacity and the starting materials are widely available However, the utilization of metal hydrides in gas Hydrogen purification by Mg alloy hydrogen adsorbent2017年6月12日 Effect of hydrogen and heat treatment on impact strength in titanium alloys The beneficial effect of water quenching arises from the fine distribution of hydrides formed, compared to the platelike hydrides formed on slow cooling Redrawn from , p 154Hydrogen in Ti and Zr alloys: industrial perspective, failure modes 2020年8月5日 The present study aims to achieve an indepth understanding of the hydrogen effect on precipitationhardened Nibased alloys 718 and 725 The susceptibility of both alloys to HE was studied using the slow strainrate tensile test and advanced microstructural characterization techniquesOn the hydrogen embrittlement behavior of nickelbased alloys:
The effect of hydrogen treatment on microstructures evolution
2022年1月15日 Here, we perform hydrogenation treatment, solution treatment, aging treatment, and finally dehydrogenation treatment on Ti6Al4V titanium alloy fabricated by selective laser melting The results show that the β grains of hydrogenated samples are 1 Introduction Highentropy alloys (HEAs) showcase exceptional characteristics, excelling in terms of strength, toughness, corrosion resistance, and thermal stability [] The HEAs have been found to have a wide range of applications in various fields, including serving as hightemperature materials for hypersonic aircraft engine components, radiationresistant materials for nuclear Recent Progress in High‐Entropy Alloy Electrocatalysts for Hydrogen 2024年6月19日 UNS N07718, or simply alloy 718, has high corrosion resistance, good mechanical strength, and toughness The main active strengthening mechanism involves the secondary phases gamma prime (γ′), gamma double prime (γ″), and delta (δ), even though carbides and nitrides may also be present [1], [2]Despite having the alloy design initially Hydrogen embrittlement of the nickel alloy UNS N07718 for two 2023年3月29日 Development of highperformance LowV BCC alloy for hydrogen storage by suction casting Author links open overlay panel Huazhou Hu a b, Chuanming Ma a, Xiangping Zhang c, Fei Dai d, Yanrong Liu c, Qingjun Chen a b c Hydrogen storage properties and thermal stability of V 35 Ti 20 Cr 45 alloy by heat treatment Int J Hydrogen Development of highperformance LowV BCC alloy for hydrogen
Removal of metallic impurities from Ti binary alloy scraps using
2013年10月15日 For the refining by the HPAM process, 35 g each of titanium alloy scrap was then inserted into the HPAM chamberThe chamber was evacuated to a vacuum of 013 PaAfter the evacuation, ultrapure argon was introduced into the melting chamber under pressure of 70–80 kPaThe beginning of melting, plasma gas used only argon and then ultrapure hydrogen was as A286 showed degradation in fatigue life by hydrogen gas Low alloy steel also showed a decrease in fatigue life in hydrogen, while high strength low alloy steel with much Mo and V showed longer fatigue life than conventional steel KEY WORDS: hydrogen environment embrittlement; hydrogen gas; SSRT; fatigue; austenitic stainless steel; low Review Hydrogen Embrittlement Properties of Stainless and Low Alloy 2021年8月17日 Highpressure hydrogen tanks which are composed of an aluminum alloy liner and a carbon fiber wound layer are currently the most popular means to store hydrogen on vehicles Nevertheless, the aluminum alloy is easily affected by highpressure hydrogen, which leads to the appearance of hydrogen embrittlement (HE) Serious HE of hydrogen tank Analysis of Hydrogen Embrittlement on Aluminum Alloys for For example, Inconel 718 is an alloy which is noted to be particularly susceptible to hydrogen embrittlement, observing reductions of up to 33% in tensile strength upon Hcharging [11, 12 Investigated agehardening treatments on alloy 718
Titaniumironmanganese (TiFe085Mn015) alloy for hydrogen
2019年6月21日 Titaniumiron (TiFe) is known to be a lowcost alloy that can be reactivated to nearly full hydrogen storage capacity after oxidation However, this reactivation requires multiple heat treatments at high temperatures under vacuum even upon partial substitution of Fe with a small amount of manganese to form TiFe 085 Mn 015This process is cumbersome in the 2023年9月15日 Hydrogen energy attracts great attention for applications in offgrid electricity supply due to its high efficiency, zero‑carbonemission, nontoxicity, renewability, and abundant supply [1], [2], [3]In this world, about 759 million people live in areas that are not powered by centralized electricity plants [4]The high cost of installing the electricity grids in remote areas Tailordesigned vanadium alloys for hydrogen storage in remote 2017年4月24日 Two methods of precrushing power, hydrogen decrepitation (HD) and mechanical crushing (MC), were applied to prepare Sm(CobalFe028Cu006Zr002)784 magnets Their microstructures and magnetic Microstructure and Magnetic Properties of Sm (CobalFe02003年3月1日 For the CuCrZr ternary alloys, high conductivity (ie, >90% IACS) was achieved in Cu02Cr015Zr alloy after hydrogen heat treatment at 450°C while maintaining high tensile strength, Microstructural Evolution of the Surface of MgAlBased Alloy
Effect of heat treatment on the hydrogen embrittlement
2023年10月3日 Effect of heat treatment on the hydrogen embrittlement susceptibility of selective laser melted 18Ni The SLM equipment used for additive manufacturing was EOS M290 with a laser power of 300 W, print layer thickness of 40 Effect of Nb on the hydrogeninduced cracking of highstrength lowalloy steel Corrosion Sci, 139 (2018 2022年1月26日 The wear of particles, which is caused by their movement, causes the exposure of a fresh active alloy surface that is active enough to absorb hydrogen without any thermal treatment or evacuation(PDF) Just shake or stir About the simplest solution for the 2020年8月27日 Abstract The effect of hydrogen addition on the deformation behavior of coarsegrained Ti55 alloys (~ 20 μm) was studied by uniaxial tension tests at high temperature The elongation of hydrogenated Ti55 titanium alloy firstly increases and then decreases with hydrogen content increasing at 875 °C The highest elongation of 2438% is obtained in the Tensile deformation behavior of coarsegrained Ti55 titanium alloy 2020年2月1日 Request PDF Hydrogen storage performances, kinetics and microstructure of Ti102Cr10Fe07xMn03Alx alloy by Al substituting for Fe For achieving good economic and environmental benefit Hydrogen storage performances, kinetics and ResearchGate
Effect of annealing heat treatment on an atomized AB2 hydrogen
1999年6月30日 The hydrogen absorption–desorption behavior in a gas–solid environment was determined by P–C–I curves As can be seen in Fig 5, the hydrogen content of the cast/HDH alloy measured below 20 atm was over 134 wt%, while the asatomized powder absorbed only 004 wt% of hydrogen under the same pressure (Curve (a) in Fig 5)2012年1月1日 In the aged (twophase) β21S alloy, the susceptibility to hydrogeninduced cracking and the decrease in the alloy’s strength has been attributed in various cases to the αphase precipitated during the aging and the hydrogeninduced stabilization of the βphase 34, 63, 66 Young and Scully showed that hydrogeninduced intergranular cracking in the cathodically Hydrogen effects in titanium alloys ScienceDirect2023年7月8日 Substitution V with other cheap elements is a good strategy for preparing lowcost Vbased alloys or even Vfree alloys, provided that they can keep adequate hydrogen storage capacity and desirable de/absorption hydrogen pressure [21, 22]It is noted that, the niobium (Nb) element, as the same family with V, has also been reported that Nb substitution into Ti–Cr–V Enhanced hydrogen storage properties of Ti–Cr–Nb alloys by melt 2019年2月16日 For this study, billets of alloy EN AW5083 were cast in the RD casting pit at the TRIMET site in Essen The hydrogen content in the molten aluminium was measured using, Hycal and Reduce Pressure Test devices To test the hydrogen content in solid form, samples were taken from the billets and tested with a Leco RHEN 602 Hydrogen instrumentHydrogen Measurements Comparison in ENAW 5083 Alloy
Deformation Characteristics and Microstructure Evolution of
2023年3月27日 The isothermal constant strain rate compression test of Ti6Al4V alloy with a hydrogen content of 031 wt% was carried out on a Gleeble1500 thermomechanical simulator The thermal deformation behavior at temperatures of 700950 °C and strain rates of 000110 s−1 was studied The results show that the flow stress of the alloy is sensitive to the deformation VNbMoTaW highentropy alloy (HEA), one of the refractory HEAs, is considered as a nextgeneration structural material for ultrahigh temperature uses Refractory HEAs have low castability and machinability due to their high melting temperature and low thermal conductivity Thus, powder metallurgy becomes a promising method for fabricating components with Synthesis of Spherical VNbMoTaW HighEntropy Alloy Powder