Storage hardening of raw NR may be seen from accelerated storage-hardening test.
天然橡胶生胶贮存硬化过程大致可以从加速贮存试验中获得反映。
Test results show that for the stress-strain curves with no obvious peak strain, it is a available to use work hardening rate method to determine peak strain and stable strain.
实验结果表明,对于无明显峰值应变的应力-应变曲线,采用加工硬化率方法确定峰值应变和稳态应变是一种有效的方法。
The corrosion resistance of 07X16H6 precipitation hardening stainless steel in tempered state was studied using high temperature oxidation, salt-spray test and stress corrosion test.
通过高温抗氧化、盐雾腐蚀和应力腐蚀试验研究了07X16H6沉淀硬化不锈钢在使用状态(回火态)时的耐蚀性能。
By modern test methods like mercury intrusion pore measurement (MIP) and scanning electron microscope (SEM), the hydration and hardening mechanism of the slag cement was analyzed.
通过汞压入法(mip)和扫描电镜(sem)等现代测试方法对矿渣油井水泥的水化硬化特性和机理进行了研究。
However, the setting and hardening time of the concrete, the mortar influences the test results obviously.
混凝土﹑水泥砂浆﹑环氧树脂砂浆的凝结硬化时间长短对测试结果有比较显著的影响。
Influence of electric field on the age hardening curve and microstructure of 2e12 aluminum alloy have been investigated by means of hardness-test and transmission electron microscopy (TEM).
通过硬度测量和TEM分析的方法研究了电场对2e12铝合金时效硬化曲线和微观组织的影响。
Secondly, the whole creep test process was simulated using modified time hardening model of implicit creep equation, the calculated results are fit well to the test ones.
其次,采用隐式蠕变方程中修正的时间硬化模型对蠕变试验全过程进行了仿真,计算结果与试验值能够很好地吻合。
The combination of the unified hardening parameters and Cam-clay model, and the comparison with the test results, show that this parameter can be used to constitutive model simply and effectively.
还将该统一硬化参量直接和修正剑桥模型结合,并与试验结果对比,表现出描述剪胀特性的简单性和有效性。
Mechanical tests Several types of mechanical test were performed in order to investigate the effect of the stress state on the austenite transformation rate and on the resulting work hardening.
机械性能测试为了研究应力状态对于奥氏体转变速率和加工硬化结果的影响,我们进行了几种机械性能方面的试验。
The surface tiny crack generating by sample hardening were found in test, and some surface fracture caused by inclusion and gas pocket, and these appearance should be correctly analyzed and judged.
飞机发动机减速器支撑杆在加工过程中易产生微裂纹,通过显微组织检验、断口形貌观察、微区成分分析以及含氢量测定和模拟焊接试验等方法对其裂纹产生的原因进行了分析。
The invention discloses full light spray seedling hardening technology for test-tube seedling.
本发明公开了一种试管苗全光喷雾炼苗技术。
Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.
采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。
Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.
采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。
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