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.
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。
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.
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。
Different base metal alloy has the different melting point and linear coefficient expansion.
不同的基底合金具有不同的熔点及线膨胀系数。
Being the reducing medium, the volume expansion of alloy brings gravitation and crack through analysis and observation of accessory's macro-and micro structure.
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。
The nanocrystalline alloy absorbs significant quantities of hydrogen and which lead to the lattice expansion.
纳米晶合金吸收大量的氢原子，从而导致晶格常数膨胀。
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.
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。
Expansion joints due to large aluminum alloy temperature deformation, to make the curtain wall has enough deformation servo, curtain wall pillar setting expansion joint.
伸缩缝由于铝合金温度变形较大，为使幕墙有足够的变形随动性，幕墙立柱需设置伸缩缝。
By tem analysis, the microstructure of the hole expansion strengthened layer of high temperature alloy GH169 was studied.
采用透射电子显微术，研究了GH169高温合金孔挤压强化层的微观结构。
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.
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。
A method of measuring metal linear expansion coefficient of aluminium alloy by a percent meter is introduced. The error analysis in the result of the measurement is conducted.
本文介绍了一种用百分表测量铝合金金属线胀系数的方法，并对测量结果进行了误差分析。
The expansion coefficient of this cast iron without Ni element can be closed to that ofZL102 Al alloy.
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。
Dilatometric measurements revealed that the coefficient of thermal expansion of ZL109 alloy tends to decrease with increasing whiskers content.
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。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
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。
The authors recommend a way for estimating the percentage of pinhole in solidified aluminum alloy by measuring its free linear expansion during the solidification.
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。
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.
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。
The aluminum alloy backplane is provided with an expansion bend formed through mechanical pre-processing so as to absorb heat expansion;
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 expansion behaviors during aging of the amorphous alloy were also studied.
研究了等温时效过程中试样长度的变化和低温预时效的影响。
The expansion behaviors during aging of the amorphous alloy were also studied.
研究了等温时效过程中试样长度的变化和低温预时效的影响。
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