0183;B 4 C-SiC-TiB 2 composites with high densification and good mechanical properties were obtained via pressureless sintering technique with B 4 C and TiSi 2 as raw materials. In the sintering process, TiSi 2 can react with B 4 C and C to in-situ form TiB 2 and SiC below 1400 ℃. A multi-component eutectic liquid phase can be formed at 2150&
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0183;B4C–SiC composite ceramics are a better candidate material for engineering applications as structural ceramic materials. The sintering performance, microstructure, and mechanical properties of[سؤال
0183;Aluminum oxide has been introduced into SiCf/(SiC + B4C) composites to improve the crack self-healing property in O2/H2O atmosphere. The observation of the surface and interior morphologies of the ox...[سؤال
0183;The results showed that the B4C-SiC composite ceramics were mainly composed of B4C phases and SiC phases, and their microstructure became denser with the increase of sintering pressure. When the sintering pressure increased from 30 to 40 MPa,[سؤال
0183;Uthayakumar et al. [26] examined the dry sliding wear performance of Al1100-SiC-B4C hybrid composites. Due to the existence of hard B 4 C and SiC particles in the matrix alloy, an increase in[سؤال
0183;SiC-B4C ceramic skeleton reinforced graphite composites (MCMB/SiC-B4C) with extraordinary mechanical performance were fabricated by SPS method. The influence of sintering temperature and volume ratio of B4C/SiC on the microstructure and mechanical performance of the composites was studied. With the introduction of B4C in the composites,[سؤال
0183;High-performance TiB 2 –SiC composites were fabricated with a new reaction system of B 4 C–TiC–Si by reactive hot pressing. The reaction process was controlled by the diffusion of boron atoms and hindered by the accumulated product layer of TiB 2 and C. The melting Si can offer another diffusion path for boron atoms, thereby promoting the reaction[سؤال
0183;Almost fully dense B 4 C-TiB 2-SiC composite ceramics with high flexure strength and good fracture toughness were fabricated through in-situ reaction between B 4 C, Ti 3 SiC 2 and Si using spark plasma sintering method at a relatively low temperature of 1650 &سؤال
0183;In this study, B4C+SiC/B4C +TiB2/SiC+TiB2 hybrid reinforcements were added to Al 7075 matrix via the powder metallurgy method. The powders were subjected to mechanical grinding for 240 min, as[سؤال
0183;In this research, carbon sources (Resin Phenolic, Carbon Black and Graphite) and Boron Carbide (B 4 C) were used to improve the mechanical properties of Silicon Carbide (SiC) composite. For this purpose, carbon sources of 0.5, 0.75, 1, 1.5, 2, 2.5, 3, and 5 wt% as well as 0.5 wt% B 4 C were added to SiC powder, respectively. The sample containing SiC—2.5[سؤال
0183;Thermal-expansion data on Al2O3, BeO, MgO, B4C, SiC, and TiC were obtained to the temperatures where permanent deformation begins, due to sintering or other causes. The thermal expansion for these： (SiC)(B4C),,,,.,..B4CSiC
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0183;[22] R. İpek,“Adhesive wear behaviour of B4C and SiC reinforced 4147 Al matrix composites (Al/B4C–Al/SiC)”, Journal of Materials Processing Technology, vol. 162-163, pp. 71-75, 2005. Comparison of The Effects on The Mechanical Properties of SiC, B4C and TiB2 Reinforcing Elements in Aluminum 7075 Matrix Composites[سؤال
0183;B 4 C-SiC-TiB 2 composites with high densification and good mechanical properties were obtained via pressureless sintering technique with B 4 C and TiSi 2 as raw materials. In the sintering process, TiSi 2 can react with B 4 C and C to in-situ form TiB 2 and SiC below 1400 ℃. A multi-component eutectic liquid phase can be formed at 2150سؤال0183;Boron carbide (B4C) and its in situ composites were synthesized via a simple bottom-up process using low-cost boric acid and a sucrose-based precursor solution with silicon (Si), titanium (Ti), or zirconium (Zr) species. The precursor solution was first dried at 250 &سؤال
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مسحوق نانو كربيد البورون متناهية الصغر B4c ، مواد كاشطة English Portugu&سؤال
0183;Uniformly dispersed B4C microparticles and SiC nanowires largely block the dislocation motions and improve the dislocation storage capacity, which results in a more significant hetero-deformation[سؤال
176;C. The intergranular and intragranular structure containing nanoparticles with different phase werePreparation, microstructure and mechanical properties of SiC–SiC and B4C–B4C laminates After debinding, SiC (Al 2O 3, Y 2O 3 additions) and B 4C (C addition) were pressureless sintered. For evaluation of the sintered parts, firstly the macrostructure and
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Inomata et al.19 investigated the phase relation in a SiC– Al4C3–B4C system and found that a liquid phase was formed around Al8B4C7 at 1800&سؤال
0183;الترجمات في سياق مساحيق في العربية-الإنجليزية من | Reverso Context: مساحيق البروتين, مساحيق التجميل, مساحيق تجميل جميع الأمثلة تُعرض فقط لغرض مساعدتك على ترجمة الكلمة أو التعبير الذي تبحث عنه في سياقات مختلفة.[سؤال
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B4C-SiC 복합체를 소결 첨가제 없이 일축가압소결법을 통해 제조하였으며 소결체의 결정상, 상대밀도, 미세구조 및 기계적 특성을 평가하였다. 제조된 B4C-SiC 복합체에서 B4C와 SiC는 균일하게 분산되어 결정립 성장을 억제하고 세밀하고 균일한 미세구조를 형성하였으며 이를 통해 B4C-SiC 복합체의
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0183;The nano hardness, Vickers hardness, and Young's modulus of 12 vol% B4C compared with 12 vol% of SiC are increased by 12%, 23%, and 16%, respectively, and the same trend has been observed for the[سؤال
0183;SiC-B4C composites with various values of SiC-to-B4C ratio and grain size were fabricated by pressureless sintering. This paper presents the results of current investigations of this composite material. This includes the parameters of manufacture (shrinkage, density, and open porosity), thermoelectric properties (electrical and thermal conductivity, and[سؤال
183;mPreparation, microstructure and mechanical properties of SiC–SiC and B4C–B4C laminates After debinding, SiC (Al 2O 3, Y 2O 3 additions) and B 4C (C addition) were pressureless sintered. For evaluation of the sintered parts, firstly the macrostructure and
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Comparison Of Al2O3, SiC, and B4C as Ballistic-Resistant Body Armor. Ceramic armor materials are intended to protect people and vehicles from ballistic damage. Currently, emphasis is placed on developing ceramics with properties that are difficult to achieve, such as high ballistic performance and low weight. “Investigation on the
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0183;In the present study aluminium metal matrix composites (Al-MMCs) reinforced with different Wt% (2,3,4,5 and 6) of Silicon carbide (SiC) and hybrid composites of aluminium matrix reinforced with different Wt% (2,3,4,5 and 6) of SiC and constantly adding Boron carbide (B 4 C) with 2 wt% were fabricated using a cost effective powder metallurgy (PM) method and the[سؤال
0183;A novel B4C–SiC composite aerogel is synthesized using nano boron carbide suspension, 3-aminopropyltriethoxysilane (APTES), and resorcinol–formaldehyde (RF) as precursors through the sol–gel route and carbothermal reduction process. The effects of different B/Si molar ratios and calcination temperatures on the physical chemistry properties of[سؤال
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