orthodontic intrusion是什么意思

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Effect of friction on identification of materials properties from spherical indentation;

球形压头压入中摩擦对材料参数识别的影响

The investigation background, structure principle, properties and application of a new indentation tester for coating were discuesed.

报道了涂层压入仪的研制背景、结构原理、主要技术特性及其应用举例,该仪器具有连续加载卸载功能并配有声发射和光学系统,能测量并记录连续的载荷与压入深度关系曲线,能用声发射系统对测试过程中涂层试样的开裂和剥落进行动态监测,并确定对应的载荷,用涂层压入仪作界面压入测得厚涂层与基体界面开裂的临界载荷pw可反映涂层的结合强度;也可正面压入考察薄膜与基体的结合,区分薄膜开裂和剥落并精确测定其对应的载荷值,用加载过程中发生初始剥落的载荷表征膜的结合强度,涂层压入仪还可用于膜韧性、膜和膜,基断裂韧性、离子氮化层脆性等的评价,测定块体材料硬度、塑性功、弹性功、弹塑性比等性能指标。

The finite element method is used to simulate the influence of interfacial constraint on damage accumulation in the film during indentation process on the basis of Gurson-Tvergaard damage model.

应用Gurson-Tvergaard损伤模型辅助有限元分析研究了界面约束对薄膜压入损伤的影响。

Dimensional analysis and FEM were employed,results revealed the relationship between the ideal indentation hardness and the blunt indentation hardness from an indentation test about the ideal Berkovich indenter and the blunt Berkovich indenter of elasto-plastic materials.

文中通过量纲分析和有限元数值计算,分别对弹塑性材料在Berkovich理想压头和钝化压头作用下的压入响应进行了分析,揭示了理想压头Oliver&Pharr压入硬度与钝化压头压入硬度的关系,据此,可以把钝化压头作用下的压入硬度校正至理想压头下的测试硬度。

The nanomechanical properties of the Zaocys dhumnades s ventral epidermis such as elastic modulus and indentation hardness etc.

用纳米硬度仪研究了不同载荷条件下乌梢蛇腹部表皮的弹性模量、压入硬度等纳米力学性能。

Mechanisms of polycrystalline Cu thin films during nanoindentation creep;

多晶铜膜纳米压入蠕变性能

Study on Application of Nanoindentation to Characterize Microzone Mechanical Property on Metals;

纳米压入技术在金属材料微区力学性能表征中的应用研究

The interstitial atom-free steel (IF steel) samples prepared by three methods were characterized by nanoindenta-tioa The effect of preparing sample method on the nanoindentation results of IF steel was analyzed.

对3种不同方法制备的IF钢试样进行了纳米压入表征,分析了制样方法对IF钢中铁素体纳米压入测试结果的影响。

The hardness and elastic modulus of the alloy were investigated by means of nano-indentation technology.

利用纳米压入测量仪测试了不同组织结构下的硬度和弹性模量。