研究了烧结工艺对粉末注射成形4J32低膨胀合金性能的影响。
The effects of sintering process on the properties of 4J32 low expansion alloys by powder injection molding were investigated.
采用了N2O-C2H2火焰原子吸收光谱法测定膨胀合金中钴。
The application of N2O-C2H2 flame atomic absorption spectrometer to measure of Cobalt in The expanded alloy is studied.
提供一种在较宽温度区间具有负热膨胀特性的镍钛铌负热膨胀合金及其制备方法。
The invention provides a negative thermal expansion alloy of Nickel-Titanium-Niobium which has negative thermal expansion characteristics in a wider temperature range and a preparation method.
文中就4j32低膨胀合金在航天遥感器型号产品上的应用和切削加工及热处理进行了综述。
This paper sums up the cutting, heat treatment of 4. J32 low-expansion alloy applied in a space instrument, analyses the reasons why 4j32 is difficult to be cut.
这个过程还依靠用在铝合金中的硅粒改变形状来完成，即找到气泡并阻止其膨胀。
It relies on silicon fragments, which are used in aluminium alloys, changing shape and, in effect, pinning down the gas-containing pores to prevent them from expanding.
加热器可以加热的万向节-联合特别是连接滑块的HGA的万向节从两个不同的热膨胀系数不同的合金条纹的。
The heater can heat the gimbal - special joint which connects slider to HGA, the gimbal made from two stripes of different alloys with different thermal expansion.
目的研究记忆合金自体膨胀支架，治疗高位食管狭窄的方法和措施。
Objective To study treatment methods of high position of esophageal stenosis with self-expanding metal stent.
经分析与实体零件的宏观与微观组织观察，此现象是因为还原介质渗入，引起合金体积膨胀而产生引力，造成应力裂纹。
Being the reducing medium, the volume expansion of alloy brings gravitation and crack through analysis and observation of accessory's macro-and micro structure.
对彩管用横拼双金属材料中的高膨胀组元合金304钢带的性能与冷轧工艺、稳定化处理工艺之间的关系作了系统研究。
The relationships among properties, cold rolling process and stabilizing treatment had been investigated for the laterally welded bimetal strips of high expansion component alloy 304.
纳米晶合金吸收大量的氢原子，从而导致晶格常数膨胀。
The nanocrystalline alloy absorbs significant quantities of hydrogen and which lead to the lattice expansion.
不同的基底合金具有不同的熔点及线膨胀系数。
Different base metal alloy has the different melting point and linear coefficient expansion.
利用该成分，可获得接近ZL102合金膨胀系数的新型无镍的高膨胀系数铸铁。
The expansion coefficient of this cast iron without Ni element can be closed to that ofZL102 Al alloy.
通过涂层配方设计，使底釉和表面涂层膨胀系数基本与牙根基体材料钛合金匹配。
Through designing the composition of the inner glass layer (ig) and the coating, the thermal expansion coefficients of the ig and the coating were matched basically with those of the metal matrix.
采用粉末冶金技术制备了一种低膨胀高导热支撑材料(简称DG合金)，研究了烧结工艺对合金组织和性能的影响。
A support material with low expansivity and high conductivity, called DG alloy, was prepared by powder metallurgy. The effects of sintering process on its properties and microstructure were studied.
镍钛合金具有超弹性变形行为，利用这一特性制备的自膨胀支架具有优异的生物相容性和力学性能。
NiTi alloy provides superelasticity. We can use this property to make self-expanded stent, which takes on excellent biocompatibility and mechanical properties.
本文研究了低膨胀高温合金GH907、GH909铸态组织中偏析的性质，偏析对合金组织的影响，以及消除偏析的方法。
This paper introduces the casting precipitation properties, their effects on the alloy microstructure and the methods to eliminate the precipitation of the Low-expansion superalloy GH909. and GH907.
利用膨胀法，结合金相法，测定了X60不同冷却速度下连续冷却转变的膨胀曲线，获得了该钢的连续冷却转变曲线（动态CCT曲线）；
The expanding curves and continuous cooling transformation curve (dynamic CCT curve) of X60 pipeline steel were obtained by dilatometry and microscopic test under different cooling speed.
采用高温显微镜、同步热分析、热膨胀实验等方法，系统的研究了亚微细硬质合金的烧结特性。
In this thesis, some test methods, such as Heating Microscope, DTA-TG, Thermal Dialation Testing, were used to research the sintering properties of cemented carbide in submicron grain, systematically.
合金热膨胀系数与VITA瓷达到正相匹配，可形成良好的结合。
It has the approximate thermal expansion coefficient with VITA95 porcelain system and can form a good bonding.
结论：该材料的主要膨胀性能可以满足钛合金粉浆涂塑底层冠的要求。
Conclusion: the expansion properties of the refractory die material that we synthesized can fulfil the application requirements of slip casting core of sintered titanium powder.
在低温陶瓷结合剂中添加适量金属或合金粉，就会对结合剂的耐火度、流动性、热膨胀系数、强度等性能产生影响。通过试验分析，合金粉的加入能改善结合剂的强度及韧性。
When Added Additive, PEC, strength, the ratio of the thermal expansion and fluidity etc, of bond would be effected, through testing, strength and toughness of bond will proved with adding alloy.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好，是理想的活塞材料。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
研究一种快速测报铝合金针孔度的方法。该方法是在铝合金凝聚固过程中，通过测量其因氢析出所产生的自由线膨胀而进行针孔度预测的。
The authors recommend a way for estimating the percentage of pinhole in solidified aluminum alloy by measuring its free linear expansion during the solidification.
铝合金背板上有预先经机械加 工形成的膨胀弯，以吸收热膨胀；
The aluminum alloy backplane is provided with an expansion bend formed through mechanical pre-processing so as to absorb heat expansion;
复合材料的热膨胀系数低于ZL 10 9合金且随晶须含量的增加而降低。
Dilatometric measurements revealed that the coefficient of thermal expansion of ZL109 alloy tends to decrease with increasing whiskers content.
合金；快速凝固；往复挤压；强化机制；热膨胀系数；
Solidification; Reciprocating Extrusion; Strengthening Mechanism; Thermal Expansion Coefficient;
合金；快速凝固；往复挤压；强化机制；热膨胀系数；
Solidification; Reciprocating Extrusion; Strengthening Mechanism; Thermal Expansion Coefficient;
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