Quenching crack propagation characteristics of the organizations on both sides without decarburization phenomenon significant difference between crack and materials and forging cracks.
淬火裂纹的组织特征是裂纹两侧无脱碳现象，明显区别与锻造裂纹和材料裂纹。
The recent trend of net shape and near net shape manufacturing requires that forging preform design should be optimized to save materials and energy.
净形和近净形制造要求锻造预成形设计不仅要实现产品的形状，而且要实现材料、能耗、锻件质量等目标优化。
Introduce the new method and equipment about metallic materials forging test.
介绍了金属材料顶锻试验的方法和设备。
The proposed method can serve as the guide for optimizing the forging process and controlling the forging quality of difficult-to-deformation materials.
该方法对优化难变形材料锻造工艺和控制锻件质量具有指导作用。
Progressive metal stamping mould forging weld-repair after quench hardened steel mold materials etc.
焊补冲压模锻造模工具钢等淬火硬化后模具材料的修补。
The limitation diagram of key structural elements in design of screw-press for various materials and sizes is given through the data investigation of die forging on screw press.
本文通过对作者所在单位的螺旋压力机上模锻件的数据调查，给出了设计所需的各种材料和尺寸的结构要素极限图表。
They should check the materials, and distribute the materials of every part of the forging. The article introduces a method of speedy calculation to material.
针对材料验算及对锻件各个部分的材料分配问题，介绍了一种速算方法。
This process is high automatic and has good forming quality, and can reduce machining work after forging and save raw materials and machining costs.
该生产工艺自动化程度高、成型质量好，在很大程度上减少了锻后机加工的工作量，节约了大量的金属原材料及机加工成本。
Time and time again, Twain defied readers' expectations, forging unforgettable narratives from materials that had previously not been the stuff of literature.
一次又一次，吐温的写作总是出乎读者的预料，他用一些以前不能算作文学的材料编出了一些令人难以忘却的故事。
These are helpful to the forging process and heat treatment of the similar materials.
这对同类材料的锻造及热处理起借鉴和指导作用。
These are helpful to the forging process and heat treatment of the similar materials.
这对同类材料的锻造及热处理起借鉴和指导作用。
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