| 1. | Technology of laser quenching treatment 40cr steel surface
钢表面激光淬火的工艺研究 |
| 2. | Analysis on microstructure and stress of broad - beam laser hardened gears
齿轮宽带激光淬火组织和应力分析 |
| 3. | Effects of comprensive technological parameter to laser surface quenching of common steel and iron
综合工艺参数对常用钢铁材料的激光淬火特性的影响 |
| 4. | The history , application and present processing situation of laser are introduced at first
本文在介绍激光淬火之前，首先介绍了激光的发展、应用以及激光加工的现状。 |
| 5. | Abstract : compared with the normal technique the paper introduces many advantages of the laser quenching the ductile iron crankshaft
文摘:介绍了激光淬火球铁曲轴与常规的曲轴表面处理方法相比有许多优点，提出了一种激光淬火球铁曲轴圆角部分扫描的新方法。 |
| 6. | This cutting system can be widely used in the fields of laser processing , laser welding , laser marking and laser engraving , etc . it also applies for three - dimensional and five - dimensional systems
本切割系统可以应用到激光加工，激光淬火，激光焊接，激光标刻，激光刻绘等等领域，还可应用到三维，五维等多维的切割系统下，具有广泛的应用前景。 |
| 7. | Laser quenching is one of the important field of using laser technology in industry , which is closely connected with several subjects , i . e . laser physics theory , laser processing technology , metal physics et , al
激光淬火(相变硬化)是激光技术在工业中应用的一个重要领域，该技术与激光物理学、激光加工技术、金属学热处理等几门学科紧密相关。 |
| 8. | I . investigation on laser surface hardening for metal materials in this work , the effect of the process parameters in laser surface hardening on the properties and surface feature of the hardened layer was studied
一、金属材料激光表面硬化技术研究。研究了激光表面淬火工艺参数和硬化层性能、强化效果之间的关系，对大面积激光淬火技术的基础理论及搭接方法对组织性能的影响规律进行了探讨。 |
| 9. | We studied the effect of laser quenching ( harden by phase transformation ) on some representative mould steels . through measuring the rigidity on the surface of samples treated by laser heat treatment , and through photographing microstructures of the steel surface , we find many reasons attribute to high hardness . these reasons include ultra - fine grains , high density dislocation and more content of carbon in martensite
我们研究的是激光淬火对几种典型模具钢的作用，通过对热处理后的试样的硬度分布的测定，用金相和电镜观察金相组织的变化，认为激光热处理产生高硬度的原因是晶粒细化、高的位错密度和高的马氏体含量。 |
| 10. | In chapter four , in our experiments , we selected four representative mould steels as samples . after laser heat treatment , the hardness of samples was measured by special instrument , microstructure was also photographed to be analyzed carefully . through these experiments , we also debated on the theories which explain the new phenomenon occurring in laser overlapping treatment
第二章：介绍了工业中的各种激光加工技术和激光加工系统，详细说明了本实验所使用的高功率激光加工系统；第三章：详细叙述了激光淬火的机理和热传导数学模型；第四章：通过实验，分析激光淬火后的模具钢的硬化带的硬度分布及金相组织特性，同时对激光交叠热处理的特点及形成机理都作了深入的探讨。 |
