hardening相关论文
Innovative Technology and Development in Strength Design and Integrity Assessment of Pressure Vessel
This paper discusses the strength design methods in ASME Boiler and Pressure Vessel(B&PV)Code with a focus on the design......
Pretreatment technology is deeply discussed to explain its importance in guaranteeing properties and formability of alum......
Radiation-induced attenuation (RIA) in four types of polarization-maintaining optical fibers for interfer-ometric fibero......
By using numerical analysis methods to simulate the deep excavation,a lot of analyses are established on the basis of tw......
In this paper,the effects of hardening exponent,yield strength and elastic modulus on the deformability of near hemisphe......
The effect of homogenization on the hardness,tensile properties,electrical conductivity and microstructure of as-cast Al......
The changes in the mechanical behavior of electric resistance welded(ERW) pipes before and after the cage roll forming p......
The residual stress of T-joints for SUS304 stainless steel by YAG laser welding was measured by the method of hole-drill......
Specimens of two different kinds of bake hardening steels(BH-Mn and BH-P) were prepared and treated with different annea......
Vickers hardness change of the Chinese low-activation ferritic/martensitic steel CLF-1irradiated wit
In the present work,the irradiation hardening behavior of a Chinese low-activation ferritic/martensitic steel CLF-1,a ca......
Al-Mg-Si-Cu alloys with and without Zn addition were fabricated by conventional ingot metallurgy method. The microstruct......
Effects of pre-strain and baking parameters on the microstructure and bake-hardening behavior of dua
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
In this paper, the characterization of oxygen permeation (OP) in titanium alloy TC11 at high temperature and the influen......
目的:探讨经皮穿刺介入硬化治疗肝囊肿的方法及疗效。方法:37例肝囊肿患者(男12例,女25例),41个囊肿,行B超引导下经皮穿刺肝囊肿内注射无......
On The Enhancement of Wear Resistance of Hardened Carbon Tool Steel (AISI 1095) With Cryogenic Quenc
Many experimental investigations reveal that it is very difficult to have a completely martensitic structure by any hard......
Influence of impact energy on work hardening ability of austenitic manganese steel and its mechanism
To further understand the hardening mechanism of austenitic manganese steel under actual working conditions,the work har......
目的:探讨急诊内镜下硬化剂注射及组织黏合剂栓塞治疗食管胃静脉曲张破裂出血的临床效果。方法回顾性分析52例食管胃静脉曲张破裂出......
Viscoelasto-plastic rheological experiment under circular increment step load and unload and nonline
...
Effects of pre-strain and baking parameters on the microstructure and bake-hardening behavior of dua
In a typical process, C-Mn steel was annealed at 800°C for 180 s, and then cooled rapidly to obtain the ferrite-martens......
In a typical process,low carbon steel was annealed at two different temperatures(660℃ and 750℃),and then was temper ro......
研究不同的析出硬化和冷加工组合对6061铝合金拉伸性能的影响.结果表明,在不同的热处理过程中,在180℃单时效4 h能提高合金的强度......
The epoxy resin polymer cement mortars with excellent performances were made up through modifying ordinary Portland ceme......
The microstructural changes in the machined surface layer of Ni-based super alloys essentially determine the final perfo......
XSG固化剂为多种矿物结构的聚集体,属于常温下存在的介稳高温态物质。由于其结构的不稳定,且其晶体结构中存在有活性阳离子,所以具......
针对花烛离体培养中普遍存在的长期培养导致再生苗生长势退化的现象,研究了如何恢复再生苗生长势,获得健壮的无菌苗。结果表明,花烛离......
从实验角度分析了半钢轧辊表面经过激光相变硬化处理后的性能改善情况,着重讨论了改变工艺参数对激光淬火效果的影响.利用数值模拟......
研究了激光用于火炮身管的内表面硬化处理问题,对实施工艺作了有意义的探讨,而且提供了对身管材料激光处理的实验数据,为激光热处......
冲压是制造业中广泛采用的一种成型方法,冲压件可作为结构件的1个非常重要原因就是它能达到工程上的强度及刚度的要求。基于冲压件......
对20Mn2制轴承密封座渗碳工艺和感应加热压模淬火工艺进行了试验研究.通过改进感应器,使其具有通用性,解决了加热不均等问题.既提......
对水玻璃砂的CO2、氟硅酸钠的单一固化法及这两者相结合的复合固化法进行对比试验,结果表明:CO2固化法固化速度快,但终强度低;氟硅酸钠......
贝利特-硫铝酸钡钙水泥熟料的矿物组成主要有C2S、C2S、C3A、C4AF和C2.75B1.25A3S,其早期和长期强度均较高。研究水泥水化放热速率......
对化学成分(质量分数,%)为Al-11.8Zn-2.9Mg-2.8Cu-1.17Li的合金分别在110℃、120℃、130℃、140℃、150℃、160℃和180℃进行人工......
通过对Au-Ag-Cu-Pt高含金量齿科铸造合金的研究,分析此合金的时效硬化行为,为其临床实际应用提供理论基础.试样经800℃,30 min固溶......
在7050合金的基础上,使用铸锭冶金工艺制备镍含量为5%,10%的2种复合材料,研究Al3Ni相的细化机制。通过硬度测试,金相观察,SEM,DSC等测试手......
摘 要:汽车减震器通过长时间的使用以后,减震器变软或变硬。本文件探讨了减振器硬度的原因:在进行耐久性测试之后,从减振器油中提取减......
Effect of prestrain and baking on the secondary deformation properties of cold-rolled ultra-high-str
Two experimental steels with tensile strength above 980 MPa were prepared to investigate the effect of prestrain and bak......
[摘要] 目的 探讨笔者所在科室收治的26例B超下经皮肝穿刺置管引流硬化治疗效果。 方法 回顾性分析笔者所在医院收治的肝囊肿患者,......
坚膜处理对不锈钢着色膜的耐磨性和耐蚀性有重要的影响。研究了2种不同坚膜方法处理后膜的耐磨性和耐蚀性,利用扫描电镜及x射线能谱......
介绍了用不同钢制作的螺纹刀具的技术要求、热处理工艺,包括T12A、GCr15、9SiCr钢手用丝锥,高速钢机用丝锥,Cr12MoV钢滚丝轮,9SiCr......
研究了Mg-Y-Nd合金时效过程中的硬化软化现象.在时效初期(473 K/2 h左右)出现了一次明显的时效硬化峰,之后硬度急剧下降;然后合金......
通过工程实例,从结构加固的原则,方法和技术方面对整体现浇钢筋混凝土结构的结构进行了研究和分析,对类似的加固工程提供了很好的......
推导了幂强化材料(Ramberg-Osgood)中心裂纹拉伸试样的塑性功因子ηp1的一个表达式,它可表示为强化指数n、幂率指数m因子和试样形......
针对激光表面强化存在深度不够的缺点,详细介绍了为增加激光表面强化深度所采取的各种工艺措施和取得的工艺效果.......
以海洋皇马铃型银杏种子(Gingko biloba L. )为研究对象,研究了漂白粉液漂洗法、SO2熏蒸法、石灰水浸泡法、阳光曝晒法、热风干燥......
计算机中的数据随机存贮器(RAM)非常容易受到电磁脉冲(EMP)的干扰。为研究电磁脉冲对计算机数据存贮器的影响,以静电放电电磁脉冲(ESD E......
通过简化的物理分析,将脉冲激光加载简化为一定的力学边界条件,考虑了材料内部的损伤演化,采用含损伤的热粘塑性本构模型模拟了铝......
变形材料内部存在各种微缺陷及其残余微应力场,贮存于这些微应力场中的能量对后续塑性变形有着重要的影响.注意到在非比例循环过程......
通过加快回采巷道的铺底硬化及掘进巷道的喷浆等工序,以实现辅助运输压力的缓解。实践证明,下料孔不仅缓解了矿上辅助运输的压力,......
渗碳淬火齿轮的应用较为广泛,但齿轮在渗碳淬火中产生畸变也是一种普遍现象。引起齿轮热处理畸变的原因是多方面的,如材质、齿轮几何......