反应堆由一个钢与混凝土构成的厚实外壳(第一层安全壳)保护着,另外还配有一个蓄水库,防止反应堆过热。
The reactor vessel is surrounded by a thick steel-and-concrete primary containment vessel, equipped with a water reservoir designed to suppress overheating of the vessel.
针对某电厂异种钢焊接接头高温早期失效的过热器管件进行了调查研究和失效分析。
The early losing effectiveness causes of the superheater pipe welding joint were investigated and analysed.
发现,HQ70钢过热区粗大非平衡组织,经第二次快速加热到正火区,并没有出现通常所认为的“细化品粒”现象,而是出现了“组织遗传”。
It was discovered that structural heredity phenomenon took place in the non-equilibrium structure of overheated zone of HQ70 steel after another quick heating.
根据模拟计算结果发现,在拉速一定的条件下,过热度和冷却强度对钢液的凝固前沿有着显著的影响。
It is found from the result of calculation that when casting speed is constant, superheat and intensity of cooling have remarkable influence on the front edge of solidified shell.
为了降低钢液的过热度,设计了一种水冷水口,使它能够应用在实际生产中。
To lower the superheat of liquid steel, a water-cooled nozzle is designed to be used into commercial run in the paper.
研究了40钢车轴由于锻造加热不当造成的过热。
A research has been made on 40 steel axle overheating. Itshows that the forging heating is not reasonable.
特殊的材料包括球墨铸铁和钢煅品,大部分机轴经过热处理,表面硬化、渗氮和感应淬火。
Typical materials include ductile iron castings or steel forgings. Most crankshafts require some form of heat treating including case hardening, nitriding and induction harden.
选用三种不同碳、铬含量的耐磨钢,通过热处理获得不同数量的二次碳化物和马氏体基体。
The effects of varying the amount of secondary carbide on the character of matrix under three-body abrasion of wear resistant steel have been investigated.
铝的强度不及钢,但是当铝与少量的钢,锰和镁制成合金,并经过热处理后,其强度可以接近钢。
Aluminum is much less strong than steel. But when it is alloyed with small quantities of copper, manganese and magnesium and treated with heat, its strength may be close to steel.
从结晶器施加电脉冲输入能量、钢液过热度、电极间距三方面,探讨电脉冲处理提高铸坯等轴晶率的效果。
The improvement of slab equiaxed crystal ratio by electric pulse on liquid steel in continuous casting mould at Pan steel slab castor No.
粒状贝氏体及粒状组织中的M-A岛不是该钢焊接热影响区过热区脆化的原因。
The M-A units in granular bainite and granular structure are not the cause of embrittlement.
通过热处理可提高轨钢的强度及硬度,接触疲劳强度也随之提高。
Heat treatment can increase the tensile strength and the hardness of the rail steel, and the contact fatigue strength is also increased.
从结晶器施加电脉冲的输入能量、电脉冲频率、钢液过热度角度,探讨电脉冲技术提高铸坯等轴晶率的效果。
The improvement of slab equiaxed crystal ratio by electric pulse on liquid steel in continuous casting mould of Panzhihua steel No.
结果表明:经冷却辊冷却的钢液过热度降低,实现了低过热度浇铸的目的。
The results show that the steel liquid is cooled down by cooling roller and the pouring with low superheat is realized.
船舶用碳钢合金钢板是制造船舶I级耐压管系、Ⅱ级耐压管系、锅炉及过热器用的碳素钢合金钢板。
6 ships with carbon steel alloy steel plate manufacturing ship I level pressure piping, II level pressure piping, boiler and Superheater carbon steel alloy steel.
通过热模拟试验和工业性试验,研究了Q235钢微观组织演变规律及其与力学性能的关系。
Microstructure evolution and the relationship between microstructure and mechanical properties of Q235 steel were studied by thermal simulation and industrial tests.
介绍了由弹性钢环制成的应变式力传感器及其制作工艺,特别是弹性元件经过热处理后改善了弹性特性。
The strain force transducer made of elastic steel ring and the fabricating technique are introduced. The elastic characteristic of the elastic element has been improved by heat treatment.
经过热轧厂送来的钢卷,先要经过连续三次技术处理,先要用盐酸除去氧化膜,然后才能送到冷轧机组。
After the hot-rolled steel coil plant sent, the first after three consecutive treatment, the first use hydrochloric acid to remove oxide film, and then to be cold-rolled unit.
通过热处理试验对t 23钢的回火脆性进行了研究。
The temper brittleness of T23 steel was studied through heat treatment experiment.
不锈钢经过热轧后,需经罩式炉退火工艺使材料充分再结晶后才能投入使用。
After hot rolling, only through full recrystallizing by annealing process in the batch, can the stainless steel be put into use.
在实验室通过热轧实验,研究了热轧双相钢在奥氏体再结晶区和未再结晶区变形和卷取温度对高强热轧双相钢组织细化和力学性能的影响。
The effect of the finishing rolling temperature on the microstructure refinement and mechanical properties of the hot rolled dual-phase steel were studied at laboratory.
热轧成品分为钢卷和锭式板两种,经过热轧后的钢轨厚度一般在几个毫米,如果用户要求钢板更薄的话,还要经过冷轧。
Hot-rolled steel coil and the product is divided into two ingots-plate, hot-rolled through the rails after a few millimetres in thickness, if a user requests plate thinner, but also a cold-rolled.
高温高压法加速腐蚀。结果表明,C4镍基合金热影响区奥氏体晶粒长大,X60钢过热区为大块铁素体组织。
The results show that the coarse austenite grain in heat affect zone (HAZ) of Ni-base alloy is observed, mass ferrite appears in HAZ of X60 steel.
高温高压法加速腐蚀。结果表明,C4镍基合金热影响区奥氏体晶粒长大,X60钢过热区为大块铁素体组织。
The results show that the coarse austenite grain in heat affect zone (HAZ) of Ni-base alloy is observed, mass ferrite appears in HAZ of X60 steel.
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