高温SHS法制备陶瓷内衬输油管的研究进展

自蔓延高温合成技术是一项利用化学反应热使反应持续进行以合成新材料的技术,利用自蔓延法制备陶瓷内衬钢管的方法近年来得到很大发展,结合对该方法的有关报道,总结了自蔓延法制备陶瓷内衬直管和弯管的原理,综述了影响自蔓延反应的因素和存在的各种问题,并对其研究方向进行了展望.     

自蔓延高温合成技术的发展与应用

自蔓延高温合成技术是20世纪后期诞生的一门新兴的前沿科学，在粉体合成及陶瓷涂层内衬的制备等方面充分显示其优越性。本文对自蔓延高温合成技术的概念、国内外基本情况进行了阐述，同时简要介绍了自蔓延高温合成的燃烧理论．对利用自蔓延合成技术进行粉体合成及陶瓷内衬钢管的应用研究等作了较为详尽的说明。     

陶瓷材料的SHS超快速致密化技术

自蔓延高温合成(self-propagating high-temperature synthesis,SHS)是一种在数秒～几十秒内即可完成的合成技术,但是直接产物是多孔状的.在SHS产物还处于高温软化状态时立即快速加压(quick pressing,QP),可以一步实现合成和致密化获得致密材料,这一技术被称为SHS/QP技术.传统的高温烧结的致密化过程主要靠原子扩散实现,SHS/QP过程如此之快,其致密化机理尚不明确.为此,探讨了SHS/OP技术制备金属陶瓷和复相陶瓷的致密化机理.研究了SHS/OP技术制备金属陶瓷、复相陶瓷和叠层复合材料的结构和工艺过程,并制备了密实材料.结果表明:基于塑性变形机理,SHS/QP技术能制备出密实、晶粒基本不长大的纳米陶瓷.     

二氧化锡纳米薄膜和纳米线制备技术

SnO2是一种重要的金属氧化物材料,在气敏传感器、透明导电薄膜、电池电极等方面应用广泛。按照纳米薄膜、纳米线的顺序,对SnO2纳米材料的制备技术及最新研究进展进行了详细的综述,报道了一种由高温自蔓延合成引发的制备纳米线的新方法——燃烧合成喷射法,并对未来研究方向进行了展望,认为SnO2纳米薄膜仍是今后一段时间内研究的重点,而SnO2纳米线制备方法的改进与创新将成为该领域的研究难点与前沿。     

自蔓延高温合成(SHS)TiC-Al2O3陶瓷基蜂窝催化载体

利用自蔓延高温合成技术制备了多孔TiC-Al2O3导电陶瓷，并用XRD、SEM、EDS对样品的物相、微观结构、孔径分布及成分组成进行了分析。分别用阿基米德法和杠杆原理对材料的气孔率与强度进行了测试，并对产生的主要缺陷进行了分析。     

中俄合作研制出金属陶瓷多孔材料

俄罗斯专家与我国山东科技大学合作利用镍、铝、钛等金属之间的自蔓延高温合成反应制备金属 间化合物多孔材料,它既具有金属的强韧性又有陶瓷的高硬度和耐热性,将其做成多孔状用于汽车尾     

还原合成技术在无机材料合成中的应用及进展

碳热还原、镁热还原、铝热还原合成技术广泛应用于无机材料的合成中,应用它们可以制备碳化物、硼化物、氮化物、金属单质及复合材料等多种新型材料。自蔓延高温还原合成技术(SHS Reduction)是一种工艺简单、节能、高效的制备高技术材料的先进方法,主要有镁热还原SHS技术和铝热还原SHS技术。本文阐述了传统还原合成工艺及自蔓延高温还原合成技术在无机材料合成中的应用及进展。     

新专利技术

专利名称：建筑卫生陶瓷用金属光泽结晶釉，专利名称：一种大型陶瓷板材溶胶注模成形方法，专利名称：剪切纤维的陶瓷刀具材料及其制备工艺，专利名称：多孔Si3N4及其制备方法，专利名称：低成本α-赛隆粉体的自蔓延高温合成制备方法。[编者按]     

粉末冶金法和金属熔渗法制备金属间化合物/陶瓷复合材料的研究现状和发展趋势及其应用

金属间化合物/陶瓷复合材料由于具有很多优秀的性能而被广泛应用在工程领域中,本文主要介绍金属间化合物/陶瓷复合材料的制备方法是粉末冶金法和金属熔渗法,主要包括粉末冶金法,自蔓延高温合成法,金属熔体熔融渗透法,原位合成法。其中粉末冶金法又包括热压烧结工艺,常压烧结工艺,放电等离子烧结工艺,热等静压烧结工艺,热压反应烧结工艺等。并对这些制备技术的原理和发展现状进行评述,并对这些制备方法在研究和生产中的应用进行介绍,并对金属间化合物/陶瓷复合材料的研究现状和发展趋势进行评述。并对金属间化合物/陶瓷复合材料制备技术的研究发展方向进行了展望。     

材料制备新技术--自蔓延高温合成

自蔓延高温合成广泛用于制备难熔高温材料及其他先进材料。本文简要介绍了自蔓延高温合成的理论基础及技术应用。     

Insect antifeedant properties of anthranoids from the genusVismia

Vismiones and ferruginins, representatives of a new class of lypophilic anthranoids from the genusVismia were found to inhibit feeding in larvae of species ofSpodoptera, Heliothis, and inLocusta migratoria.     

Methyl 2,4,6-decatrienoates Attract Stink Bugs and Tachinid Parasitoids

Halyomorpha halys (Stål) (Pentatomidae), called the brown marmorated stink bug (BMSB), is a newly invasive species in the eastern USA that is rapidly spreading from the original point of establishment in Allentown, PA. In its native range, the BMSB is reportedly attracted to methyl (E,E,Z)-2,4,6-decatrienoate, the male-produced pheromone of another pentatomid common in eastern Asia, Plautia stali Scott. In North America, Thyanta spp. are the only pentatomids known to produce methyl 2,4,6-decatrienoate [the (E,Z,Z)-isomer] as part of their pheromones. Methyl 2,4,6-decatrienoates were field-tested in Maryland to monitor the spread of the BMSB and to explore the possibility that Thyanta spp. are an alternate host for parasitic tachinid flies that use stink bug pheromones as host-finding kairomones. Here we report the first captures of adult and nymph BMSBs in traps baited with methyl (E,E,Z)-2,4,6-decatrienoate in central Maryland and present data verifying that the tachinid, Euclytia flava (Townsend), exploits methyl (E,Z,Z)-2,4,6-decatrienoate as a kairomone. We also report the unexpected finding that various isomers of methyl 2,4,6-decatrienoate attract Acrosternum hilare (Say), although this bug apparently does not produce methyl decatrienoates. Other stink bugs and tachinids native to North America were also attracted to methyl 2,4,6-decatrienoates. These data indicate there are Heteroptera in North America in addition to Thyanta spp. that probably use methyl 2,4,6-decatrienoates as pheromones. The evidence that some pentatomids exploit the pheromones of other true bugs as kairomones to find food or to congregate as a passive defense against tachinid parasitism is discussed.     

2005～2006年国外塑料工业进展

收集了2005年7月～2006年6月国外塑料工业的相关资料，介绍了2005—2006年国外塑料工业的发展情况。提供了世界塑料产量、消费量及全球各类树脂生产量以及各国塑料制品的进出口情况。作为对比，介绍了中国塑料的生产情况。按通用热塑性树脂（聚乙烯、聚丙烯、聚苯乙烯、聚氯乙烯、ABS树脂）、工程塑料（聚酰胺、聚碳酸酯、聚甲醛、热塑性聚酯、聚苯醚）、通用热固性树脂（酚醛、聚氨酯、不饱和树脂、环氧树脂）、特种工程塑料（聚苯硫醚、液晶聚合物、聚醚醚酮）的品种顺序，对树脂的产量、消费量、供需状况及合成工艺、产品开发、树脂品种的延伸及应用的扩展作了详细的介绍。     

2007～2008年世界塑料工业进展

收集了2007年7月～2008年6月世界塑料工业的相关资料,介绍了2007～2008年国外塑料工业的发展情况,提供了世界塑料产量、消费量及全球各类树脂的需求量及产能情况.按通用热塑性树脂(聚乙烯、聚丙烯、聚苯乙烯、聚氯乙烯、ABS树脂)、工程塑料(尼龙、聚碳酸酯、聚甲醛、热塑性聚酯、聚苯醚)、特种工程塑料(聚苯·硫醚、液晶聚合物、聚醚醚酮)、通用热固性树脂(酚醛、聚氨酯、不饱和聚酯树脂、环氧树脂)不同品种的顺序,对树脂的产量、消费量、供需状况及合成工艺、产品应用开发、树脂品种的延伸及应用的进一步扩展等技术作了详细介绍.     

Inorganic/organic nanocomposite coatings: The next step in coating performance

Inorganic/organic hybrid materials have considerable promise and are beginning to become a major area of research for many coating usages, including abrasion and corrosion resistance. Our primary approach is to prepare the inorganic phase in situ within the film formation process of the organic phase. The inorganic phase is introduced via sol-gel chemistry into a thermosetting organic phase. By this method, the size, periodicity, spatial positioning, and density of the inorganic phase can be controlled. An important aspect of the inorganic/organic hybrid materials is the coupling agent. The initial task of the coupling agent is to provide uniform mixing of the oligomeric organic phase with the sol-gel precursors, which are otherwise immiscible. UV-curable inorganic/organic hybrid systems have the advantages of a rapid cure and the ability to be used on heat sensitive substrates such as molded plastics. Also, it is possible to have better control of the growth of the inorganic phase using UV curing. It is our ultimate goal to completely separate the curing of inorganic and organic phases to gain complete control over the morphology, and hence optimization of “all” the coating properties. Thus far, it has been found that concomitant UV curing of the inorganic and organic phases using titanium sol-gel precursors afforded nanocomposite coatings which completely block the substrate from UV light while maintaining a transparent to visible light. Also, it has been found that the morphology of the inorganic phase is highly dependent on the concentration and reactivity of the coupling agent. Presented at the 82nd Annual Meeting of the Federation of Societies for Coatings Technology, October 27–29, 2004, in Chicago, IL.     

Ethanol and (−)-α-Pinene: Attractant Kairomones for Some Large Wood-Boring Beetles in Southeastern USA

Ethanol and α-pinene were tested as attractants for large wood-boring pine beetles in Alabama, Florida, Georgia, North Carolina, and South Carolina in 2002–2004. Multiple-funnel traps baited with (−)-α-pinene (released at about 2 g/d at 25–28°C) were attractive to the following Cerambycidae: Acanthocinus nodosus, A. obsoletus, Arhopalus rusticus nubilus, Asemum striatum, Monochamus titillator, Prionus pocularis, Xylotrechus integer, and X. sagittatus sagittatus. Buprestis lineata (Buprestidae), Alaus myops (Elateridae), and Hylobius pales and Pachylobius picivorus (Curculionidae) were also attracted to traps baited with (−)-α-pinene. In many locations, ethanol synergized attraction of the cerambycids Acanthocinus nodosus, A. obsoletus, Arhopalus r. nubilus, Monochamus titillator, and Xylotrechus s. sagittatus (but not Asemum striatum, Prionus pocularis, or Xylotrechus integer) to traps baited with (−)-α-pinene. Similarly, attraction of Alaus myops, Hylobius pales, and Pachylobius picivorus (but not Buprestis lineata) to traps baited with (−)-α-pinene was synergized by ethanol. These results provide support for the use of traps baited with ethanol and (−)-α-pinene to detect and monitor common large wood-boring beetles from the southeastern region of the USA at ports-of-entry in other countries, as well as forested areas in the USA.