软模
- soft mode
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此式说明在两个温度区域存在着两种软模:1、TT0,一般软模;
It shows that there are two kinds of soft mode in two temperature ranges : 1 . TT_0 , general soft mode ;
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铁电体KDP软模时间分辨的冲击受激拉曼散射
Time Resolved Impulsive Stimulated Raman Scattering on KDP Soft Mode
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纳米尺寸下Pb(1-x)BaxTiO3的喇曼振动光谱及软模行为的研究
A study of Raman spectra and soft mode behavior in nanocrystalline materials pb ( 1_x ) ba_xtio_3
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由MD模拟数据计算了CaSiO3系统的红外光谱,分析这些数据可知钙钛矿型CaSiO3解压缩非晶化是一个二阶软模相变。
The infrared spectrum of CaSiO_3 perovskite has been calculated with MD data .
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用于RTM工艺的软模材料的工艺性能
Study on the Process Properties of Flexible Mold Material for RTM
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用这些软模花样说明了钛酸钡晶体冷却时发生具有a畴和c畴结构的铁电相变。
These soft modes were used to explain the phenomenon that barium titanate crystal has the structure of a domain and c domain in ferroelectric phase transition when temperature is reduced .
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软模辅助RTM成型舱段构件及其性能研究
Fabrication of the Cabin Component by Flexible-mould Assisted RTM Process and Its Performance
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其中软模理论在处理有序-无序系统中的主要模型为横场Ising模型。
Transverse Ising model is the main method to deal with ferroelectrics of order-disorder type .
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在自由边界条件下解出了钙钛矿结构有限尺寸晶体的简谐振动方程,发现许多简谐振子软模.用这些软模说明了钛酸钡晶体冷却时发生具有a畴和c畴结构的铁电相变。
The soft modes in a finite perovskite with free boundary were calculated , and they can be used to explain why that barium titanate crystal has a and c domain structures in ferroelectric phase transition while temperature reduces .
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Li~+-CaxPb(1-x)TiO3湿敏纳米薄膜的激光拉曼光谱、晶格畸变和激光显微组织&应用软模理论解谱
LRS , Lattice Distortion and Polycrystal Microstructure of Li ~ + - Ca_xPb_ ( 1-x ) TiO_3 Nano-film Used for Humidity Sensor & Application of Soft Mode Theory
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以一个典型构件缩比件为例,介绍了软模及真空辅助RTM工艺用模具的设计和制备过程。
Taking a typical model for example , the mould design and fabrication process for vacuum assisted RTM with a flexible mould are introduced .
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以近纳米粉体WCNiFe和WCu为原料,采用软模成形的方法,重点研究软模成形工艺参数对压坯密度和压坯强度的影响;
In this paper rubber mold pressing are used in the densification of WC Ni Fe and W Cu powders . The influence of processing parameters of rubber mold pressing on compact density and intensity are especially investigated .
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建立了用于RTM工艺的软模材料的热膨胀&温度特性的测试方法,得到了软模材料的热膨胀参数。
In this paper , a test method for investigating thermal expansion & temperature properties of flexible mold material for RTM process is established and the thermal expansion coefficient of the flexible mold material is obtained .
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在制作LOM原型件时,采用随形技术的加工方法不但可以减少划分网格的时间,还可以在制作软模时节省硅橡胶。
When manufacture the LOM prototyping part , using shape following technology can not only reduce the time on making grids of slices , but also save on silicon rubber in manufacturing silicon rubber modules .
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目前,基于快速原型(RP)制造的快速模具工艺的种类很多,其中按照制模材料的不同,可分为简易软模和钢质硬模。
Currently , more and more methods of rapid tooling based on rapid prototyping manufacturing ( RPM ) are developed . According to the different kinds of the mould materials , they are basically divided into the simple soft mould and steel hard mould .
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快速成形(RP)技术已成功地实现了面向市场的新产品造型设计敏捷化,并在快速软模制造方面取得长足进步,目前正向快速制造金属模具(RMT)方向迅速发展。
Rapid Prototyping ( RP ) technology has turn agile design of new market oriented product model into realization successfully , and great progress in rapid soft tooling has been made by this technique , currently , it is speeding up toward Rapid Metal Tooling ( RMT ) .
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RT技术在硅胶、树脂等软模快速制造方面已取得长足进步,目前正向快速制造金属硬模尤其是直接快速制造金属模具(DRMT)方向迅速发展。
RT technology has made great progresses in rapid soft tooling such as silica and resin tooling , and now it is speeding up toward to the Rapid Hard Metal Tooling ( RHMT ), particularly the Direct Rapid Metal Tooling ( DRMT ) .
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软模热膨胀法成型发动机燃烧室壳体贴壁内衬
Flexible Thermal Expansion Molding of a Combustion Chamber Liner Formet
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超细粉末的高压软模成形方法
High pressure rubber mold in the compaction of ultrafine powder
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按制模材料可分为软模和钢制硬模。
It can also be divided into soft tooling and hard tooling .
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不锈钢弯头软模胀形凹模的失效分析
Failure Analysis on Bulging Die of Stainless Steel Elbow with Solid Medium
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一个哈密顿系统正则动量的软模振荡
Soft-mode oscillations of canonical momenta in a Hamiltonian system
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本文主要研究刚性模胀形修复和软模胀形修复。
This research mainly studies the stiff mold bulging and flexible mold bulging .
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软模成型自硬转移涂料的研制与应用
Development and Application of Self-hardening Transferring Coating Material with Sagging Pattern to Moulds
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聚四氟乙烯透波罩软模成型工艺及材料性能研究
Investigation on PTFE Wave-transmission Cover and Its Soft-die Processing
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聚合物的结构转变和软模
The Structural Transition and Soft Modes in Polymers
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介绍两芯腰形充气橡胶软模工艺尺寸计算方法
It relates to technological dimension calculation of pneumatic soft mold in double-core waist shape
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铁电相变的软模理论
Soft mode theory of ferroelectric phase transitions
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最后,应用该函数关系对软模成形容框进行了设计和校核。
To validate the mathematical relationship , the rubber pad forming experiment was carried out .
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没有观察到软模现象。
No soft mode can be observed .