Effects of carburizing time on microstructure and transverse rupture strength of graded cemented carbides
渗碳时间对梯度硬质合金显微组织和 抗弯 强度的影响
Transverse rupture strength Rockwell A hardness magnetic saturation induction and magnetic coercivity of samples sintered in vacuum or by sinter-HIP were measured .
测试了真空烧结和低压烧结试样的 抗 弯 强度、洛氏硬度、磁饱和度和矫顽磁力。
Results showed that sinter-HIP treatment can enhance the transverse rupture strength of WC-Co cemented carbides effectively .
结果表明:低压烧结工艺可以有效提高硬质合金的 抗 弯 强度;
Calculation of transverse strength of floating dock
浮船坞 横向 强度计算
In accordance with the special characteristics of this type of ship a proper load predication method is adopted for hull longitudian strength shear strength and transverse strength .
本文针对船型的特殊性,采用了适宜的载荷预报方法,妥善地解决了该船体的总纵强度、剪切强度及 横向 强度。
The primary discussion about the YANDA-ferry transverse strength with FEM
烟大线火车渡船 横向 强度有限元计算的初步探讨
The data relation between longitudinal and transverse strength can be established to prepare for longitudinal strength calculation .
同时,建立起总纵强度与 局部 强度之间的数据结构关系,用以计算船体总纵强度。
The Experimental Study of Different Processing Method for Transverse Strength of Denture Base Resins
不同聚合方法对义齿基托树脂 挠曲 强度影响的实验研究
Ways to elevate the transverse strength of pultrusion Composites
改善拉挤成型复合材料 横向 强度的途径
Sintered metal materials excluding hard metals & Determination of transverse rupture strength
GB/T5319-1985烧结金属材料(不包括硬质合金) 横向断裂 强度的测定方法
The transverse rupture strength and abrasion ratio of the composite sintered with ion implanted diamond were notably improved as well .
此外,和离子注入前相比,用离子注入后的金刚石烧结的复合材料的 抗 弯 强度和磨耗比也有了较大幅度的提高。
The enhancement mechanism of hybrid fiber was investigated by observing the SEM photos of cross section . The main factors affecting the hybrid effect coefficient were presented and the relationship among this coefficient transverse tensile strength and stress relaxation rate of NAFC materials was discussed .
利用扫描电镜(SEM)分析了材料拉伸断面形貌,探讨了混杂纤维增强机制,分析了混杂效应系数的主要影响因素,研究了混杂效应系数与材料 横向抗拉 强度和应力松弛率之间的关系。
Because of the special dimension and working condition of floating dock the general strength such as longitudinal strength and transverse strength was performed strictly to the structure .
对于浮船坞而言,由于其型尺度和作业工况特殊,因此总强度、纵强度、 横 强度等结构要求比较高。
Effects of carburizing time on microstructure and transverse rupture strength of cemented carbide with gradient cobalt structure fabricated by pre-sintering-carburizing process were studied by optical microscopy and transverse rupture strength test .
采用预烧结-后续渗碳的方法制备钴相呈梯度分布的硬质合金,通过对试样显微组织的观察和抗弯强度的测试,研究渗碳时间对梯度硬质合金显微组织和 抗弯 强度的影响。
In this peper a semi-analytic method of coupled longitudinal and transverse strength is presented . The matrix displacement method is used for transfer structure while the transfer matrix method for longitudinal structure . In addition the shear effects of shell plates and bulkheads are taken into account .
本文对于大型油轮的横向结构采用矩阵位移法,对纵向结构采用迁移矩阵法,考虑了外板和舱壁的剪切效应,提出了纵 强度 和 横 强度耦合作用的整船强度分析方法。
Wood of transverse shear strength impact toughness and fracture fractal dimension of the relevance of significant is higher than vertical .
木材 横向的抗剪 强度、冲击韧性与其断口分形维数相关性的显著性普遍高于纵向。
Transverse rupture strength and compressive strength are approximately 910 MPa and 3.04 GPa respectively .
TN30的抗弯 强度和抗压强度分别达到910MPa和3.04GPa。
This paper suggests a new method for solving the transverse strength of open-deck barges with transverse frames .
本文对具有开口肋骨的敞口船体的 横向 强度,提出了&个新的解法。
At last the 3-D finite element calculation within the midship area was carried out to analysis the transverse strength of the structural members and the reference idea of structure optimization and lighting steel weight was submitted .
最后,通过建立货舱段三维有限元模型,对构件的 横向 强度进行计算分析,并对结构优化和重量减轻提出指导性意见。
Research on the strengthen method and transverse strength calculation of the inland river cargo ship
内河小型货船 横向 强度计算及加强方案研究
The influence of different raw material iron powder copper contents in matrix skeleton and different quenching temperatures on the density hardness and transverse rupture strength of heat-treated copper-infiltrated steel was investigated .
研究了不同原料铁粉、基体骨架铜含量以及不同淬火温度对渗铜钢热处理后密度、硬度和 抗弯 强度的影响。
Direct Calculation of Transverse Strength for 100m Deck Cargo Ship
100m甲板货船的 横向 强度直接计算
Results The transverse strength and shear strength were increased with the increase of the carbon fiber content .
结果随着碳纤维含量的增加, 根 管桩 的 弯曲 强度和剪切强度均逐渐增加。
It has high transverse strength good thermal ability and is strong against cracking in elevated temperature .
该 涂料具有良好的铸造工艺 性能,而高温性能 尤佳。
Transverse tensile strength increases first and then decreases ;
横向拉伸 强度先上升然后又下降;
According to the experimental values of the transverse wave strength in gaseous detonation an approximate method for estimating the extreme values of the leading shock velocity variation has been established by analyzing the pressure change in front of and behind the transverse wave collision .
根据气体爆轰波 横波 强度的实验观测和理论分析结果,通过分析横波碰撞前后前驱激波后的压力变化,提出了胞格周期中前驱激波速度上限和下限值的估算方法。
Under different condition the difference between the effects of position of fabric layer on the longitudinal flexural strength and transverse compressive strength of the fabric reinforced cement composite is significant .
织物铺层位置对织物增强水泥基复合材料纵向抗折强度和 横向抗压 强度的影响在不同的情况下有较大的差别。
Study of in situ transverse tensile strength of Laminated Composites
复合材料层板中就位 横向拉伸 强度的研究
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抗挠强度,横向强度