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- This thesis analyses the hardenability curve of boron steel and on this basis advances the method of caculation to forecast boron steel hardenability . 对硼钢淬透性曲线特点进行了分析,在此基础上提出了预测硼钢淬透性的计算方法。
- This thesis analyses the hardenability curve of boron steel and on this basis advances the method ofcaculation to forecast boron steel hardenability . 对硼钢淬透性出线特点进行了分析,在此基础上提出了预测硼钢淬透性的计算方法。
- The Influences of Ti content on austenite gain size and grain coarsening temperature in medium-carbon boron steel have been investigated. 研究了钛含量对中碳硼钢奥氏体晶粒度及晶粒粗化温度的影响。
- The results show that the hardenability of boron steel can be predicted more accurately using artificaial neural network.The neural network provides an effective meth... 结果表明:所建网络能较准确预测硼钢淬透性,这为研究硼钢淬透性提供了一种有效的方法。
- Simulating different solidification cooling rate with step-metal mould and sand mould,the effect of solidification cooling rate on microstructure and properties of high boron steel were studied. 利用阶梯型腔金属模和砂型模拟不同的冷却速度,研究了冷却速度对高硼钢凝固组织和性能的影响。
- Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied. 摘要利用阶梯型腔金属模和砂型模拟不同的冷却速度,研究了冷却速度对高硼钢凝固组织和性能的影响。
- Keywords boron steel;hardenability;excess Ti; 硼钢;淬透性;过剩钛;
- Hot stamping with die quenching of boron steels appeared at the end of 1990s for producing some rather simple automotive parts like door beams and bumper beams. 用硼钢热冲压和模具冷却的工艺出现在90年代后期,起初是用于制造一些相对简单的汽车部件,如门梁和保险杠。
- The tensile strength of boron steels is up to 1,600 MPa (about 230 KSI), which is far above that of the highest-strength conventional cold stamping steels. 零件具有超高强度,反弹性小且材料厚度降低的特点(见图2)。硼钢的拉伸强度可以达到1600MPa,远远高于普通冷冲压钢材的最高强度。
- Here we are in the yard of the steel mill. 这儿就是不锈钢厂的料场。
- On the outskirts they passed a steel mill. 他们在郊区从一家钢铁厂前面经过。
- The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
- The Calculation and Analysis of Handenalilioy Coefficient FB of Boron Steel 硼淬透性系数F_B的计算与分析
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- That thin red line tipped with steel. 那根细细的红线末端装有钢头。
- That boat is done with the steel plate. 那艘船是用钢板做的。
- It's a bridge of steel framework. 那是座钢铁结构的桥梁。
- This cup is made of stainless steel. 这只杯子是不锈钢做的。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- Some glass-hard steel is homemade. 一些有最高硬度的钢是自制的。