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| 1 | The effects of fabrication atmosphere condition on the microstructural and mechanical properties of laser direct manufactured stainless steel 17-4 PH显示文摘The effects of atmosphere conditions on microstructural and mechanical properties of stainless steel 17-4PH components fabricated by laser direct manufacturing (LDM) were investigated through mea-surements on phase constitution, porosity, tensile strength, fracture morphology, hardness and evolution of substrate temperature. Results showed that the samples produced in air atmosphere condition pos-sessed higher tensile strength and hardness for both as-deposited and heat-treated states than that in Ar chamber condition, due to dispersion strengthening effect of amorphous oxide particles and nitrogen solution strengthening as a result of higher content of oxygen and nitrogen. The temperature of substrate heat accumulation was higher in Ar chamber condition, leading to dramatically lower porosity and more reverse austenite, which also contributed to the lower strength and hardness. | D.Wang C.T.Chi W.Q.Wang Y.L.Li M.S.Wang X.G.Chen Z.H.Chen X.P.Cheng Y.J.Xie | 2019 | Journal of Materials Science & Technology2019，35，7： | 6 |
| 2 | TiB_2纳米颗粒对Al-Mn-Mg 3004合金中高温性能的影响(英文)显示文摘不同含量的TiB_2纳米颗粒(1.5%和3%)分别加入3004合金研究TiB_2纳米颗粒对Al-Mn-Mg 3004合金中高温性能的影响。透射电镜和X射线衍射结果表明,TiB_2纳米颗粒主要分布在枝晶界,尺寸在20~80 nm。因此,合金中弥散相无析出带的体积分数大幅减少,同时,TiB_2纳米颗粒的添加有效钉扎了晶界和位错的移动,从而提高了合金的强度和抗蠕变性能。在经过峰值析出热处理后,与未添加TiB_2纳米颗粒的合金相比,加入3%TiB_2纳米颗粒的3004合金在常温和300°C下的屈服强度分别提高了20%和13%。同时,该合金在300°C下的最小蠕变速率也降低至未添加TiB 2纳米颗粒合金的1/5,体现了TiB_2纳米颗粒对Al-Mn-Mg合金中高温性能的强化作用。 | 刘坤 A.M.NABAWY X.G.CHEN | 2017 | Transactions of Nonferrous Metals Society of China2017，27，4： | 4 |
| 3 | Optimal Operation of Micro-energy Grids Considering Shared Energy Storage Systems and Balanced Profit Allocations显示文摘Following the unprecedented generation of renewable energy,Energy Storage Systems(ESSs)have become essential for facilitating renewable consumption and maintaining reliability in energy networks.However,providing an individual ESS to a single customer is still a luxury.Thus,this paper aims to investigate whether the Shared-ESS can assist energy savings for multiple users through Peer-to-Peer(P2P)trading.Moreover,with the increasing number of market participants in the integrated energy system(IES),a benefit allocation scheme is necessary,ensuring reasonable benefits for every user in the network.Using the multiplayer cooperative game model,the nucleolus and the Shapley value methods are adopted to evaluate the benefit allocation between multiple users.Numerical analyses based on multiple micro-energy grids are performed,so as to assess the performance of the Shared-ESS and the proposed benefit allocation scheme.The results show that the micro-energy grid cluster can save as much as 38.15%of the total energy cost with Shared-ESS being equipped.The following conclusions can be drawn:the Shared-ESS can significantly reduce the operating costs of the micro-energy grid operator,promote the consumption of renewable energy,and play the role of peak-shaving and valley-filling during different energy usage periods.In addition,it is reflected that the multiplayer cooperative game model is effective in revealing the interaction between the micro-energy grids,which makes the distribution results more reasonable. | Hanlin Zhang Suyang Zhou Wei Gu Chengzhi Zhu X.G.Chen | 2023 | CSEE Journal of Power and Energy Systems2023，9，1： | 1 |
| 4 | A Comparative Study of Anaerobically Digested and Undigested Sewage Sludges in Preparation of Activated Carbons显示文摘 | J.H.Tay X.G.Chen S.Jeyaseelan | | 0，，： | 1 |
| 5 | Optimising the Preparation of Activated Carbon from Digested Sewage Sludge and Coconut Husk显示文摘 | J.H.Tay X.G.Chen S.Jeyaseelan | | 0，，： | 1 |
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