查询词典 spalling

Magnesite Chrome Brick:Madefrom mainky sintered magnesiteand and chrome oxide,by high pressure shaping shd high temoerature firing, Its characteristic is the high direct-bondigng tate,and big crystallite,it has a good thermal spalling resistance.

具有热膨胀系数小，抗震性好，抗渣性强等特点，广泛应用于工业窑炉。直接结合镁铬砖：以优质镁砂和铬精矿为原料，经高压成型、高温烧成制得。具有结晶大，直接结合率高等特点。

Numerical method was used to analyze the change in strength of members with flexures and axial force after spalling of cover concrete and effect of transverse reinforcement on their strength and ductility.

本文首先采用数值计算方法分析了钢筋混凝土压弯构件保护层混凝土剥落后强度的变化以及箍筋约束作用对其强度和延性的影响。

The experimental results show that the erosion behavior is similar to that of brittle ceramic materials while the maximum erosion is found to occur at a jet angle of 90 degrees. The successive spalling of splats ...

结果表明：Cr3C2 NiCr涂层的冲蚀磨损呈现脆性材料的冲蚀磨损特征，在 90°冲蚀率最大；磨料冲击引起的裂纹沿涂层内粒子界面萌生、扩展并最终导致粒子剥落，是涂层主要的冲蚀磨损机制。

The results indicate that the spalling behavior of oxide scale is the result of the inner and outer stress together,during rolling,the oxide scale cracks under the growth stress and thermal stress,at the same time the oxide scale also mainly undergoes alternative shearing stress in the rolling zone,the oxide scale spalls,then the reason of stripspalling is also analyzed.

结果表明：氧化膜剥落过程是内外应力联合作用的结果，轧制过程中氧化膜在长大应力和热应力作用下开裂，在轧制区内氧化膜还因受沿轧辊圆周方向的交变剪切应力作用而剥落。

The presence of Pt significantly improved the resistance to γ′-Ni3Al formation, promoted selective oxidation of aluminum by preve nting the transport of other elements outwards to Al2O3 scale and resulted i n the formation of purer, slower-growing and more adherent Al2O3 scales, de laying the onset of scale spalling for two types of coatings and of oxide nodule s growth for the high aluminum activity coating.

Pt的存在，通过阻止合金元素穿过Al2O3膜向外扩散，形成更纯的、结合力更好的Al2O3膜。并且，Pt的存在抑制γ′-Ni3Al相的形成，推迟涂层的高温退化和高铝活度涂层中非铝氧化瘤的生长。

And the strengthening mechanism can be described as follows: WC cemented carbides have interlaced short-clubbed grain, and in the bend strength test, the microcrack generates at WC/WC grain boundary, and may be blocked by interlaced fine-clubbed grains during extending, which induce the intergranular pulling-out. Due to the pulling-out mechanism, fracture-extend energy is greatly expended, thus bend strength is increased. The wear mechanism is groove wear and spalling of WC grains.

热机械合金化合成的WC-Co硬质合金比传统方法制备的同类WC合金具有更高的强度，其机理是：热机械合金化合成的WC合金具有交替排列的短棒状组织，在三点弯曲试验中，微裂纹萌生于WC/WC晶界位置，受到交错排列的短棒状晶粒的阻碍，裂纹扩展以短棒状晶粒的拔出方式进行，极大地消耗了裂纹扩展的能量，从而提高了弯曲强度；合成试样的摩擦磨损过程以犁沟磨损和WC颗粒的剥落为主要特征。

The tendency of spalling of nitrided layer of an austenitic heatresistant steel 4Cr14Ni14W2Mo has been studied experimentally.

Kindlimann和Ansell认为，氮化表面上Fe或Ni-Fe的氮化物增到一定厚度时将产生&白亮层&，冷却时可能剥落。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？