硫化铋微晶掺杂凝胶玻璃的显微结构研究

硫化铋微晶掺杂凝胶玻璃的显微结构研究叶辉，姜中宏（中国科学院上海光学精密机械研究所２０１８００）ＭｉｃｒｏｓｔｒｕｃｔｕｒｅＳｔｕｄｙｏｆＢｉ＿２Ｓ＿３ＭｉｃｒｏｃｒｙｓｔａｌｌｉｔｅＤｏｐｅｄＧｅｌＧｌａｓｓ￥ＹｅＨｕｉ；ＪｉａｎｇＺｈｏｎｇｈｏｎ...     

THE OPPORTUNITIES AND CHALLENGE FOR EXISTING AND NEW CATALYTIC TECHNOLOGIES

ＴＨＥＯＰＰＯＲＴＵＮＩＴＩＥＳＡＮＤＣＨＡＬＬＥＮＧＥＦＯＲＥＸＩＳＴＩＮＧＡＮＤＮＥＷＣＡＴＡＬＹＴＩＣＴＥＣＨＮＯＬＯＧＩＥＳＸ．Ｄ．Ｈｕ（ＵｎｉｔｅｄＣａｔａｌｙｓｔｓ，ＩｎｃＬｏｕｉｓｖｉｌｌｅ，Ｋｅｎｔｕｃｋｙ，ＵＳＡ）Ａｂｓｔｒａｃｔ：...     

薄板玻璃的用途,组成和成形工艺

薄板玻璃的用途、组成和成形工艺刘国粹（成都光明器材厂６１００５１）ＣｏｍｐｏｓｉｔｉｏｎａｎＦｏｒｍｉｎｇＰｒｏｃｅｓｓｏｆＴｈｉｎＳｈｅｅｔＧｌａｓｓａｎｄｉｔｓＡｐｐｌｉｃａｔｉｏｎ￥ＬｉｕＧｏｃｕｉ（Ｓｔａｔｅ－ＲｕｎＧｕａｎｇｍｉｎｇＭａｔｅ...     

旋流喷动干燥机

旋流喷动干燥机刘桂华（沈阳化工研究院，沈阳１１００２１）ＳｗｉｒｌＳｐｏｕｔＤｒｉｅｒ￥ＬｉｕＧｕｔｈｕａ（ＳｈｅｎｙａｎｇＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅｏｆｃｈｅｍｉｃａｌＩｎｄｕｓｔｒｙ，Ｓｈｅｎｙａｎｇ１１００２１）一、前言旋流喷动干燥机是...     

新型玻璃纤维及其GRMC制品的研究

新型玻璃纤维及其ＧＲＭＣ制品的研究沈定坤，奚松林，陈幼新，李汉良，王开泰（中国科学院上海硅酸盐研究所２０００５０）ＳｔｕｄｙｏｎＮｅｗＧｌａｓｓＦｉｂｒｅａｎｄＩｔｓＧＲＭＣＰｒｏｄｕｃｔｓ￥ＳｈｅｎＤｉｎｇｋｕｎ；ＸｉＳｏｎｇｌｉｎ；ＣｈｅｎＹｏｕ...     

对玻璃材质热稳定性能测试方法的探讨

对玻璃材质热稳定性能测试方法的探讨刘新年，林宝英，付桂臣（西北轻工业学院７１２０３１）ＡＮｅｗＭｅｔｈｏｄｆｏｒＭｅａｓｕｒｉｎｇＴｈｅｒｍａｌＳｈｏｃｋＲｅｓｉｓｔａｎｃｅｏｆＧｌａｓｓｅｓ￥ＬｉｕＸｉｎｎｉａｎ；ＬｉｎＢａｏｙｉｎｇ；ＦｕＧｕｉｃ...     

玻璃弯曲强度的裂纹影响

玻璃弯曲强度的裂纹影响宋显辉，潘素瑛（武汉工业大学４３００７０）ＴｈｅＥｆｆｅｃｔｏｆＣｒａｃｋｓｏｎＢｅｎｄｉｎｇＳｔｒｅｎｇｔｈｏｆＧｌａｓｓ￥ＳｏｎｇＸｉａｎｈｕｉ；ＰａｎＳｕｙｉｎｇ（ＣｅｎｔｒｅｆｏｒＭａｔｅｒｉａｌｓＲｅｓｅａｒｃｈ＆Ａｎ...     

SEMICONDUCTING POLYMER DEVICES: NEW DEVELOPMENTS

ＳＥＭＩＣＯＮＤＵＣＴＩＮＧＰＯＬＹＭＥＲＤＥＶＩＣＥＳ：ＮＥＷＤＥＶＥＬＯＰＭＥＮＴＳＹＵＧＡＮＧ（ＩｎｓｔｉｔｕｔｅｆｏｒＰｏｌｙｍｅｒｓａｎｄＯｒｇａｎｉｃＳｏｌｉｄｓＵｎｉｖｅｒｓｉｔｙｏｆＣａｌｉｆｏｒｎｉａａｔＳａｎｔａＢａｒｂａｒａ，Ｓ...     

电熔锆莫来石研制

电熔锆莫来石研制施毓斐（上海日用玻璃制品公司耐火材料部２０００２０）ＡｎＩｎｖｅｓｔｉｇａｔｉｏｎｏｆＥｌｅｃｔｒｏ－ＭｅｌｔｅｄＺｉｒｃｏｎｉａＭｕｌｌｉｔｅ￥ＳｈｉＹｕｆｅｉ（ＳｈａｎｇｈａｉＤｏｍｅｓｔｉｃＧｌａｓｓｗａｒｅＣｏ．，Ｒｅｆｒａｃ...     

Subject index :Nos 1～6 (2002)

ＧｅｎｅｒａｌＡｐｐｒｏａｃｈｔｏｄｅｓｉｇｎｏｐｔｉｏｎｓｆｏｒｌａｒｇｅ ｓｃａｌｅｈｏｍｅｍａｄｅｓｕｌｐｈｕｒｉｃａｃｉｄｐｌａｎｔｓ ＬＩＲｕｏｓｏｎｇ (1) :1Ｃｏｎｓｔｒｕｃｔｉｏｎｅｘｐｅｒｉｅｎｃｅｏｆａｌａｒｇｅ ｓｃａｌｅｓｕｌｐｈｕｒ ｐｕｒｎｉｎｇｓｕｌｐｈｕｒｉｃａｃｉｄｐｌａｎｔ ＺＨＡＮＧＺｈｉｑｉｎｇ ,ＺＨＡＮＧＷｅｎｘｉｎｇ ,ＷＡＮＧＪｉｎｇｆｅｎｇ (1) :8ＢｒｉｅｆｉｎｔｒｏｄｕｃｔｉｏｎｔｏＸｉｂｅｉＬｅａｄａｎｄＺｉｎｃＳｍｅｌｔｅｒ’ｓｓｕｌｐｈｕｒｉｃａｃｉ…     

钢化玻璃的钢化程度

钢化温度、冷却强度、钢化颗粒度和玻璃厚度等是物理钢化玻璃的主要技术参数。文章简单论述了这几种因素对钢化玻璃钢化程度的影响。     

The Effect of Tempering and Wall Thickness on the Fracture of Pint Glasses

This study presents a comprehensive analysis of the effect of tempering and wall thickness on the fracture of tempered drinking glasses typically used in bars and pubs in the United Kingdom. The fracture patterns are related to the manufacturing process, the glass geometry, and the level of residual stress. The bulk of experimentation was split into two categories: Firstly, an assessment of the residual stress was conducted, followed by an assessment of the fracture response of the glass in practical applications. Drinking glasses have a variable wall thickness as a consequence of their design and manufacture. This has a direct effect on the level of residual stress in the article, which in turn produces glasses that break to give fragments of variable sizes, with large sharp-edged fragments nearer the glass rim. It is also shown that tempered glasses broken by impact have a characteristic fracture pattern. The results show that to control the fracture of glasses to produce small fragments similar to those in tempered flat glass, the wall thickness and resulting level of residual stress need to be optimized.     

玻璃钢化季节性调压数值模拟

建立了风栅中玻璃的冷却模型,数值模拟玻璃冷却的温度和应力变化规律,反演了不同季节风温时的合理匹配风压。结果表明,在玻璃淬冷过程,约3 s时玻璃表面拉应力达到最大,若该应力大于玻璃此时的抗拉强度,玻璃将破裂。此后玻璃从外到内降温速率逐渐减小,在约15~17 s时玻璃表层受内部影响减弱,表面应力趋于稳定。与钢化玻璃表面应力测试结果相比,数值模拟结果略小,但相对误差不超过5%。随冷却风温降低,玻璃钢化所需的风压逐渐减小。在玻璃钢化程度接近的情况下,风压随风温降低近似线性减小,钢化风压调节量与环境温度变化量的相关系数为0.103 kPa/K。     

风冷钢化玻璃应力分布特征及不均匀度评价

钢化玻璃表面应力分布的不均匀性对其钢化品质、安全性都产生重要影响,但风冷钢化玻璃应力分布不均匀是无法消除的,因此需对钢化玻璃应力分布不均匀性给予一定的客观评价.本文基于不同刚化程度玻璃表面应力的测试结果,分析了其应力分布特征,并采用标准偏差对其应力分布不均匀度进行评价,研究结果表明:钢化玻璃表面应力分布总体上是边部应力较大,中间应力偏小,但任一钢化玻璃表面应力分布形态各异,无规律可循.钢化玻璃表面应力分布不均匀度基本在0～0.05范围内,建议采用标准偏差衡量的钢化玻璃表面应力不均匀度应不大于0.05为佳.     

Prediction of the character of tempered glass fracture

The mechanism of tempered glass fracture is analyzed. Calculation methods are proposed for determining the degree of tempering required to ensure the safe character of glass fragmentation, the number of glass fragments resulting from fracture, and their average size.     

A method for calculating the impact strength of sheet glass

Theoretical bases for calculating the dynamic strength of tempered sheet glass under the test conditions envisaged by GOST 5727-88 are considered. Methods for calculating the minimum height of a falling ball, the dynamic stresses appearing in specimens of tempered glass, and the minimum degree of tempering required for providing a specified dynamic strength of the glass are considered.     

Influence of Surface Structure on the Fracture Toughness of Tempered Glass

A nondestructive measurement of the surface stress and an indentation technique were used to determine the relationship between the fracture toughness and the surface compressive stress of a tempered glass plate. Ignoring the effect of surface compression, one can determine the fracture toughness concerned only with a change in the glass structure. It is found that the fracture toughness is lower for tempered glass than for annealed glass. It is indicated that the decrease is due to structural changes in the surface layer during the heat treatment in tempering; this is confirmed by infrared reflection spectroscopy.     

Indentation Crack Initiation and Propagation in Tempered Glass

Indentation crack initiation and propagation in tempered glass surfaces are examined and the results compared to those in annealed and in ion-exchange-strengthened glasses. The presence of surface compression due to tempering inhibits median crack initiation during the loading cycle of the indentation and depresses the radial crack initiation load during unloading. However, the extent of lateral cracking is enhanced in tempered glass surfaces. In situ crack propagation experiments reveal that the compressive stress tends to weakly stabilize crack extension prior to failure. The degree of crack stabilization is considerably lower than expected from a theoretical analysis.     

没有成型段的水平辊道式钢化机组生产弧形钢化玻璃

玻璃钢化技术虽然是很成熟的技术,但在设备改进和利用、工艺研究等方面还有很大空间。在缺少成型段装置的水平辊道式玻璃钢化机组中,可通过控制加热和淬冷工艺制得浅弧形钢化玻璃的经验、成形辊装置技术制得弧形钢化玻璃、热弯钢化炉生产弧形或弯钢化玻璃。     

简易异形玻璃横弯钢风栅的结构探索

通过对国内外横弯钢化炉在成型、钢化、冷却等方面的关键技术研究，设计了一款能做折弯钢化玻璃的特殊结构横弯钢化风栅，拓宽钢化玻璃产品的应用范围。