Effects of high pressure on microstructure evolution and
Mar 07 2018 · The crystallization temperature T c is enhanced almost linearly with the increase of pressure and there is an obvious turning point at 22.5 GPa. In addition the effect of increasing pressure is similar to that of decreasing cooling rate for the transformation of microstructures during solidification process of liquid metal Ni.
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La2O3 effects on TZM alloy recovery recrystallization and
Jun 11 2015 · The effects of the La 2 O 3 content on recrystallization temperature and mechanical properties of the TZM alloy were studied. La 2 O 3 increased the recrystallization and recovery temperature of the TZM alloy and increased its tensile strength and elongation.
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Effect of Neodymium on the Crystallization Microstructure
The effect of single coloring agent Nd(NO3)3 on the crystallization microstructure and colorization of Li2O-Al2O3-SiO2 (LAS) glass ceramics were investigated by differential thermal analysis (DTA) X-ray diffractometry (XRD) and scan- ning electron microscopy (SEM). The introduction of little neodymium has no effect on the crystallization
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Effect of La2O3 addition and sintering mode on the
3 addition on the microstructure phase stability and mechanical properties of 8mol yttria stabilized zirconia (8YSZ) was studied. 8YSZ with La 2O 3 (9 12 and 15wt ) ceramics were fabricated by microwave and conventional sintering at 1400°C/ 20min and 1400°C/ 5h respectively.
Chat OnlineEffect of La2O3 addition on the structural and magnetic
Effect of La2O3 addition on the structural and magnetic properties of strontium ferrites
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Effects of La2O3/ZnO Additives on Microstructure And
Dielectric ceramics of Zr 0.8 Sn 0.2 TiO 4 containing La 2 O 3 and ZnO as sintering aids were prepared and investigated for microstructure and microwave dielectric properties. Low‐level doping with La 2 O 3 and ZnO (up to 0.30 wt ) is good for densification and dielectric properties. These additives do not affect the dielectric constant and the temperature coefficient.
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The Effects of Co 2 O 3 Addition on Crystallization
The Co2O3 doped MgO-Al2O3-SiO2-B2O3 (MASB) glass-ceramics were successfully fabricated by traditional melt quenching method and the following heat treatment. The effect of Co2O3 addition on crystallization behavior glass networks microstructure and physical properties was investigated by differential scanning calorimetry (DSC) X-ray diffraction (XRD) Fourier transform infrared absorption
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Effect of La2O3 on the Microstructure and Electrical
(Ti Sn)O2 varistors doped with different amount of La2O3 were obtained by ceramic sintering processing at 1250 . The effect of La2O3 on the microstructure and nonlinear electrical behavior of the (Ti Sn)O2 ceramics were investigated. The ceramics have nonlinear coefficients of α=6.2–8.5. Experimental evidence shows that small quantities of La2O3 improve the nonlinear properties of the
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Effect of La2O3 on Microstructure and Thermal Conductivity
Effect of La2O3 on Microstructure and Thermal Conductivity of La2O3-Doped YSZ Coatings
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Effects of Glycerol and Tween 60 on the Crystallization
Oct 02 2003 · The addition of 0.10 glycerol or Tween 60 increased the yield force of a 70 30 (w/w) mixture of triolein/HMF (high-melting fraction of milkfat) at 5 °C. Further increases in glycerol or Tween 60 caused a decrease in yield force. Solid fat content (SFC) versus time profiles at 30 °C (glycerol) and 28 °C (Tween 60) allowed for the determination of Avrami rate constants of crystallization (k
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Effect of Al2O3 Content on Crystallization Behavior
Effect of Al 2 O 3 Content on Crystallization Behavior Microstructure and Mechanical Properties of SiO 2 –Al 2 O 3 –CaO–MgO Glass–Ceramics Neda Keyvani Department of Materials Ceramics Division Iran University of Science Technology Narmak Tehran 16844 Iran
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Effect of Neodymium on the Crystallization Microstructure
The effect of single coloring agent Nd(NO3)3 on the crystallization microstructure and colorization of Li2O-Al2O3-SiO2 (LAS) glass ceramics were investigated by differential thermal analysis (DTA) X-ray diffractometry (XRD) and scan- ning electron microscopy (SEM). The introduction of little neodymium has no effect on the crystallization
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Effects of Glycerol and Tween 60 on the Crystallization
Oct 02 2003 · The addition of 0.10 glycerol or Tween 60 increased the yield force of a 70 30 (w/w) mixture of triolein/HMF (high-melting fraction of milkfat) at 5 °C. Further increases in glycerol or Tween 60 caused a decrease in yield force. Solid fat content (SFC) versus time profiles at 30 °C (glycerol) and 28 °C (Tween 60) allowed for the determination of Avrami rate constants of crystallization (k
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Effect of La2O3 on Microstructure and Thermal
materials Article E ect of La2O3 on Microstructure and Thermal Conductivity of La2O3-Doped YSZ Coatings Xiaojie Guo 1 Chucheng Lin 1 Jimei Zhang 1 Ziwei Liu 1 Caifen Jiang 1 Wei Zheng 1 and Yi Zeng 1 2 1 The State Key Lab of High-performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai 200050 China
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Effect of cooling on crystallization and microstructure of
Yansong Yu Fangxinyu Zeng Jinyao Chen Jian Kang Feng Yang Ya Cao Ming Xiang Effects of ordered structure on non-isothermal crystallization kinetics and subsequent melting behavior of β-nucleated isotactic polypropylene/graphene oxide composites Journal of Thermal Analysis and Calorimetry 10.1007/s (2018).
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(PDF) Effect of P2O5 and Al2O3 on crystallization
The structure microstructure thermal and mechanical properties of glasses and glass-ceramics in the LMAS (Li2O MgO Al2O3 SiO2) system and the effect of P2O5 and Al2O3 additives have been studied.
Chat OnlineEffect of Crystallization Kinetics on Microstructure and
Oct 12 2012 · We have examined the effects of crystallization kinetics of poly(3‐hexylthiophene) and poly 2 5‐bis(3‐hexadecylthiophen‐2‐yl)thieno(3 2‐b)thiophene on microstructure and charge transport. Rapid crystallization increases the density of tie molecules in polythiophenes.
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Effects of Y2O3 and La2O3 addition on the crystallization
Effects of adding Y2O3 and La2O3 on the crystallization of β-quartz solid solution (ss) and the subsequent β-quartz ss to β-spodumene transformation of Li2O·Al2O3·4SiO2 glass-ceramic were investigated. Adding ≥ 4 mol YO3/2 or 8 mol LaO3/2 effectively improved the control of the crystallization process of the glass.
Chat OnlineEffect of freeze-drying parameters on the microstructure
Jun 20 2017 · Nanofibrillated cellulose aerogels are low-density bio-based materials that present a great potential in several fields. The properties of aerogels are a consequence of their microstructure. The understanding and control of the structure is therefore a priority for the preparation of aerogels with specific properties. This study aims at investigating how freeze-drying conditions affect the
Chat OnlineEffects of La2O3 on Microstructure and Properties of Laser
The effects of La 2 O 3 contents on microstructure and properties of the coatings were investigated. The results showed that the coating mainly consisted of amorphous Fe 3 P and Fe 2 Si phases. A small amount of La 2 O 3 addition could inhibit the epitaxial growth and refine the dendrite crystals.
Chat OnlineEffects of La2O3/ZnO Additives on Microstructure And
Dielectric ceramics of Zr 0.8 Sn 0.2 TiO 4 containing La 2 O 3 and ZnO as sintering aids were prepared and investigated for microstructure and microwave dielectric properties. Low‐level doping with La 2 O 3 and ZnO (up to 0.30 wt ) is good for densification and dielectric properties. These additives do not affect the dielectric constant and the temperature coefficient.
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Effects of La2O3 on Microstructure and Properties of Laser
The effects of La 2 O 3 contents on microstructure and properties of the coatings were investigated. The results showed that the coating mainly consisted of amorphous Fe 3 P and Fe 2 Si phases. A small amount of La 2 O 3 addition could inhibit the epitaxial growth and refine the dendrite crystals.
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Effect of La2O3 on Microstructure and Thermal
materials Article E ect of La2O3 on Microstructure and Thermal Conductivity of La2O3-Doped YSZ Coatings Xiaojie Guo 1 Chucheng Lin 1 Jimei Zhang 1 Ziwei Liu 1 Caifen Jiang 1 Wei Zheng 1 and Yi Zeng 1 2 1 The State Key Lab of High-performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai 200050 China
Chat OnlineEffect of La2O3 on Microstructure and Thermal Conductivity
Effect of La2O3 on Microstructure and Thermal Conductivity of La2O3-Doped YSZ Coatings
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Effects of La2O3/ZnO Additives on Microstructure And
Dielectric ceramics of Zr 0.8 Sn 0.2 TiO 4 containing La 2 O 3 and ZnO as sintering aids were prepared and investigated for microstructure and microwave dielectric properties. Low‐level doping with La 2 O 3 and ZnO (up to 0.30 wt ) is good for densification and dielectric properties. These additives do not affect the dielectric constant and the temperature coefficient.
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Effect of La2O3 on Microstructure and Thermal Conductivity
Effect of La2O3 on Microstructure and Thermal Conductivity of La2O3-Doped YSZ Coatings
Chat OnlineEffects of composition on microstructure and
Nov 25 2014 · Qiu B. Chen F. Shangguan Y. et al. Effects of composition on microstructure and crystallization behavior for impact polypropylene copolymer investigated by restructuring the complex core-shell dispersed particles in ternary blends.
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Effect of La2O3 on microstructure mechanical and
The results show that La2O3 can refine the microstructure effectively and make the element distribution uniform which leads to the increase of average microhardness.
Chat OnlineEffects of La2O3/ZnO Additives on Microstructure And
Dielectric ceramics of Zr 0.8 Sn 0.2 TiO 4 containing La 2 O 3 and ZnO as sintering aids were prepared and investigated for microstructure and microwave dielectric properties. Low‐level doping with La 2 O 3 and ZnO (up to 0.30 wt ) is good for densification and dielectric properties. These additives do not affect the dielectric constant and the temperature coefficient.
Chat OnlineEffect of La2O3 Addition on the Microstructure and
The effect of La2O3 addition on the microstructure and electrical properties of Mn0.75Ni1.25CuO4-xLa2O3 (0≤x≤0.3) was studied. The crystal structure phase compositions and morphology were analyzed by X-ray diffraction (XRD) scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS). The sintered ceramic bodies was typical polycrystalline with cubic spinel
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