基于金属型铸造热交换的特点，涂料层的热阻成为传热的主要热阻。
Based on the heat exchange characteristic of permanent mould casting, the thermal resistance of coating level becomes the main thermal resistance of the heat transfer.
研究了稀土复合变质对新型铸造热锻模具钢(CHD钢)组织与性能的影响。
The effects of rare earth (re) complex modification on structure and the properties of a new cast hot-work die (CHD) steel were investigated.
新型铸造热锻模具钢（CHD钢）由于具有较高的强韧性和高温稳定性，使用寿命高于锻造模具，具有广阔应用前景。
The new cast hot work die steel (CHD steel) has high strength and toughness, high thermal stability, high lifetime and wide application prospects.
与锻造模具钢相比，铸造热锻模具钢虽然韧性低，但强度高、红硬性好，具有较低的缺口敏感性和较高的抗热疲劳性。
Compared with the forging die steel, casting forging die steel although toughness is low, but high strength, red hardness is good, with low notch sensitivity and high resistance to thermal fatigue.
尤其适合于金属型铸造，也可用热室压铸。
Especially suitable for metallic casting, but also for hot chamber casting.
形式和尺寸也可以通过其它一些可选工艺来达到，比如热挤出或冷挤出加工，沙模铸造，拉模铸造，或精密铸造。
Form and dimension may also be achieved by a number of alternative processes such as hot or cold extrusion, sand casting, die casting, and precision casting.
其他一些工艺，如消失模铸造，模压铸造和热等静压铸造也会在本文涉及。
Other processes such as lost foam, squeeze casting, and hot isostatic pressing are also mentioned.
分析结果表明：热变形是单齿转子压缩机转子变形的主要因素，转子的铸造空腔结构导致转子径向变形很不均匀。
It is shown that thermal deformation is the dominant influencing factor, and that the casting cavity of the rotor results in the serve non-uniform of redial deformation.
已有的测定铸造合金热裂、应力、线收缩参数的仪器不仅操作不便，而且功能单一。
But the instruments of testing heat check, stress and linear shrinkage of casting alloy at present are not only inconvenient in operation but also unitary in function.
众所周知，在铸造生产中，热裂纹是一种极容易产生的铸造缺陷。
It is known that the heat crack is the most common casting defects in foundry production.
介绍一种新型铸造合金线收缩-应力-热裂特性综合测试系统。
A new type of multi-function system for testing linear shrinkage, stress and hot cracking of casting alloy is introduced in the paper.
形状复杂的铸件热节多，相互之间又有较大的影响，其凝固过程不易准确掌握，这就为铸造工艺设计带来困难。
The solidification process of complex - shape casting is too complex to analyse with experiment or experienced method. This causes it very difficult to design the casting process correctly.
本研究用热弹塑性方法分析铸造应力框自凝固到冷却过程动态热应力。
In this research work, the thermal elastic-plastic method is used to analyze the dynamic thermal stress in the stress-frame specimen during its solidification and cooling process.
用差热分析及热裂环法研究了锑和混合稀土对AZ31镁合金铸造性能的影响。
The effects of antimony and mischmetal on the casting properties of AZ31 alloy were investigated using the differential thermal analysis and hot tearing ring method.
利用SHS铝热离心铸造技术制备的陶瓷内衬复合钢管具有优异的耐磨损性能，可广泛地应用于矿山、电力、建材等工业部门。
The composite steel pipe made by the technology of SHS thermit centrifugal casting has excellent wear resistance and can be widely used in mines, electric power and building materials industry.
通过模塑、铸造或热成形透镜进一步简化制造。
Manufacture is further simplified by molding, casting, or thermoforming the lens.
蒙纳排铸机：蒙纳公司专利的热式铸字排字机，它逐个字符铸造，然后组合成行，而不是逐行字的铸造。
Monotype: Proprietary name for Monotype's hot - metal type - casting machine which assembles characters individually rather than line - by - line.
这种技术适用于修补成型模具、热锻压模具及各种塑料模具的铸造缺陷、磨损、小面积局部剥落、损伤、划沟等。
This new process is suitable for mending the casting defects, worn surface, spalling and scratching of various forming dies, hot forging dies and plastic moulds.
另外，研究了消失模铸造法铸型表面硬度、界面换热系数的变化规律。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
以凸台型热节为对象，采用ANSYS软件对铸造过程中由于型芯形成的热节进行分析。
Analysis of hot spot resulting from core during casting process was conducted by ANSYS software aiming at the boss hot spot.
采用对所研制的粘结剂进行超声波振荡及混砂时加入有机高聚物yppj对铝镁硼复合磷酸盐铸造粘结剂热硬砂进行改性。
The heat cured sand of Al-Mg-B compound phosphate inorganic binder was modified by ultrasonic oscillation to binder and adding organic polymer YPPJ while mixing of sand.
在传统热顶铸造基础上，开发了一种新的热顶铸造结晶器，并在铸造过程中施加了低频电磁场。
A new hot-top casting mold was explored based on the conventional hot-top casting, and low frequency electromagnetic field was applied in the process of casting.
本文研制一种新型铸造合金线收缩-应力-热裂特性多功能测定仪，它可以方便准确的测定金属热裂、应力、线收缩特性。
A new multifunctional device for testing linear shrinkage, stress and heat check of casting alloy easily and quickly is developed in the paper.
就热等静压处理对镍基铸造高温合金的缺陷消除、组织和力学性能的改善作了研究。
The elimination of defects and the improvement in microstructure and mechanical properties of a east Ni-base superalloy treated with hot isostatic pressing (HIP) have been investigated.
热型连铸L401线材耐蚀性优于砂型铸造线材，耐蚀性提高26%。
The corrosion resistance of L401 alloys wire by OCC is higher 26% in comparison with that by sand mould.
研究了热模法离心铸造球铁管的退火工艺。
The annealing process of centrifugal ductile cast iron pipe by the heated mould method is studied.
简要介绍大截面铝母线的热顶铸造技术。
The hot pot die casting technology of large cross section aluminum bar are introduced.
已在熔炼、铸造、弯管、热锻、焊接和表面热处理等行业广泛应用。
In melting, casting, bending, forging, welding and surface heat treatment and other industries widely used.
本发明可以采用铸造、热浸镀、焊接、轧制、热压、电镀、热喷涂等一种或多种方法生产。
The method adopts one or more of casting, hot dip plating, welding, rolling, hot pressing, electroplating and hot spray coating.
简要分析了热分析的基本原理和热分析装置的构成，从铸铁、铸钢和铝合金三个方面综述了热分析在铸造生产质量检测上的应用。
From the view of cast iron, steel and aluminum alloys, the applications of thermal analysis in foundry production monitoring were reviewed.
应用推荐