脆性玻璃 的英文怎麼說
中文拼音 [cuìxìngbōlí]
脆性玻璃
英文
brittle glass-
In the present dissertation, some properties of sodium tellurite glasses, including density, chemical durability, stability against crystallization and fragility of glass forming liquid are studied. the melting, evaporation and solidification of sodium tellurite glasses in low gravity during drop shaft experiments are observed. except this, the phase - separation of lead borate glasses under different gravity condition is also studied
本文亞碲酸鈉玻璃作為研究對象,系統探索了亞碲酸鈉玻璃的熔化條件,化學穩定性,玻璃抗析晶能力以及玻璃形成液體的脆性等問題,著重研究了na _ 2o - teo _ 2玻璃在落塔實驗中的熔化和氣化以及pbo - b _ 2o _ 3玻璃在落塔實驗中的分相,為解釋玻璃在不同重力條件下的熔化和分相等現象提供了理論依據。6. the density, chemical durability in water, and stability against crystallization of glasses in the na2o - teo2 system are explored and the fragility of glass forming liquid is studied
研究了nazo一teo :系統中不同成分對玻璃密度,化學穩定性,玻璃的抗析晶能力,以及玻璃形成液體的脆性等性能的影響。The hardness tester is applicable to measure micro hardness of micro & thin specimen, etc., and determine micro hardness of fraglie materials, such as glass, ceramic, agate, etc., being the ideal hardness testing instrument for scientific research institution, enterprise and quality inspection department to perform research and detection
硬度計適用於測量微小、薄形試件、表面滲鍍層等試件的顯微硬度和測定玻璃、陶瓷、瑪瑙、寶石等脆性材料的顯微硬度,是科研機構、企業及質檢部門進行研究和檢測的理想硬度測試儀器。The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted
本文基於模塊化設計思想,研製了一臺專門針對脆性材料力學性能測試的多功能脆性材料試驗儀,其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊,通過對這些模塊的不同組合可實現不同的功能及滿足不同應用場合要求;系統除了具有測試脆性材料的彈性模量、極限應變、強度、硬度、韌性等常規性能外,還具有無損測試玻璃構件不同位置的局部強度和表面預應力,進而對玻璃構件的安全可靠性和壽命進行預測等功能。When ordinary glass is spun into thn threads it is strong and bendable, unlike normal galss objects, which are brittle and break easily
當普通的玻璃被分割成細絲時,它就變得堅固而有彈性,不象普通玻璃製品脆而易碎。Based on the theory of fracture mechanics, the relation between the critical stress intensity factors for v - notch kc and the plane strain crack toughness k10c and the brittle fracture criterion of the maximum circumferential stress for single and double stress singularity with the v - notch problems are proposed. experiments were carried out using two kinds of v - notched specimens made out of plexiglas to verify this brittle fracture criterion
本文基於斷裂力學原理,推導出了型切口的臨界應力強度因子k _ c與材料的平面應變斷裂韌度k _ ( 10c )之間的關系,給出了平面單奇異性和雙奇異性型切口問題的最大周向應力脆性斷裂準則,並用有機玻璃板材加工了兩種型切口試樣,進行了實驗驗證。Having very high hardness and excellent wear resistance, the abrasive materials diamond and cubic boron nitride have many applications in the processing of hard brittle materials for instance sintered - carbide tooling, patterns, pottery, glass, stone and semiconductors as well as many others. these abrasives are long lasting at extremely high speeds and have a significant cost - saving impact on the processing of ordinary steel materials
金剛石和立方氮化硼cbn磨料因其高硬度和優良的耐磨性能,不僅在硬質合金工具模具陶瓷玻璃石材半導體等硬脆性材料加工中有廣泛應用,而且作為半永久性及超高速磨具在一般鋼材的加工中發揮著日益突出的作用。分享友人