pearlite
n. [材] 珠光体;[地质] 珍珠巖
2026-04-13 23:32 浏览次数 27
n. [材] 珠光体;[地质] 珍珠巖
pearlite steel珠光体钢
pearlite nodule珠光体团
spheroidized pearlite球状波来铁
crude pearlite珍珠巖原矿
Fine pearlite精细珠光体
obular pearlite粒状珠光体羽
Expanded pearlite膨胀珍珠巖
pealite蛋白硅华
perlite[地质] 珍珠巖
divorced pearlite分离型波来铁
Pearlite quantity珠光体数量
these two constituents form a eutectoid structure known as pearlite when the steel is cooled slowly enough to reach equilibrium, but by rapid cooling the steel is hardened.
当钢材冷却得足够缓慢而达到平衡状态时,这两种结构会形成一种共析结构,称为珠光体,但如果快速冷却,钢材将被硬化。
the national construction ministry once below limit the use of expansive pearlite as insulation slurry.
国家建设部一度下文限制使用膨胀珍珠巖作为内保温浆料。
a series of samples is synthesized by polymer networks materials based on castor oil urethane and acrylate with different ratio pearlite or vermiculite.
本文在蓖麻油型聚氨酯网络聚合物的基础上加入不同比例的珍珠巖或蛭石的粉末合成了系列样品。
the microstructure of non-full transformation area is the mixture of residual pearlite and troostite - type pearlite, and the hardness is largely lower than that of full transformation area.
不完全相变区是残余珠光体与托氏体型珠光体的混合组织,其硬度较完全相变区显着下降。
via vacuum induction furnace and metallographical analysis, the effects of re on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过真空感应炉模拟实验,结合金相分析,研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
during intercritical annealing, austenite forms in pearlite area firstly and cementite particles in ferrite grains and at boundaries are also transformed into austenite island.
双相区退火过程中,奥氏体首先在珠光体处形成,原铁素体晶界与晶内的碳化物颗粒也形成奥氏体岛。
water-repellet expansion pearlite was used for the first time as an insulating material for the cold insulation work in the ketone-benzol-dewaxing unit in the refinery.
炼油厂酮苯脱蜡脱油装置首次使用新型绝热材料——憎水性膨胀珍珠巖进行保冷,并对保冷效果进行了测定和评价。
pearlite spheroidization is irregular changing of metallographical image and has the features of fractal, so it can be described by technique of fractal.
珠光体球化反映到金相上,是一种不规则图像的变化,并且具有分形的特征,可望用分形几何的方法来进行描述。
tertiary 5. vocational 10 people, mostly pearlite series production and development of new products.
大专5人。中专10人,主要生产和开发珍珠巖系列新产品。
the results showed that the reduction of mechanical properties for 20g steel resulted from decreasing of pearlite amount and existing of as caused by hydrogen attack.
并用扫描电镜分析了拉伸断口的特征.结果表明:20g钢力学性能的下降是由于氢蚀造成珠光体的减少和裂纹的出现;
a solid solution of ferric carbide or carbon in iron; cools to form pearlite or marten site.
含铁碳化物或含碳铁的固体溶体,冷却可形成珠光体或马氏体。
pearlite changes inconspicuously during the heating process below 720 ℃, while there is lots of spherical cementite distributed at the ferrite grain boundaries as well as in the grains.
珠光体在低于720 ℃的加热过程中变化不明显,而铁素体晶界与晶内出现球状碳化物颗粒。
above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.
高于此点,由于超过共析点钢完全由珠光体和退火状态的渗碳体组成,硬度增加并不多。
according to their matrix structure, the white irons are divided into ferrite white iron, ferrite-austenite white iron, austenite white iron, pearlite white iron and martensite white iron.
白口铸铁按基体分为铁素体白口铸铁、铁素体-奥氏体白口铸铁、奥氏体白口铸铁、珠光体白口铸铁和马氏体白口铸铁。
crankshafts of as cast pearlite ductile iron have been produced stably by double random inoculation.
通过二次随流孕育,稳定生产铸态珠光体球铁曲轴的生产工艺。
the mechanical properties of the middle carbon steel dependent on the size of ferrite grain and pearlite lump.
中碳钢的强、硬度主要取决于珠光体团的直径、铁素体的大小和分布。
specialists suggested that they use pearlite to improve the structure of the building.
建议他们用珍珠巖改良建筑的结构。
turfy not too fine, pearlite grain diameter 3 - 4 millimeter, vermiculite grain diameter 3 - 5 millimeter are idealer.
泥炭不要太细,珍珠巖颗粒直径3-4毫米,蛭石颗粒直径3-5毫米比较理想。