金属材料在变动荷载和循环应力长期作用下，损伤积累造成金属材料疲劳断裂。金属疲劳破坏是潜藏的突发性破坏，是材料内部薄弱区域组织在变动荷载应力作用下，逐渐发生变化、损伤累积、裂纹，从局部区域逐步扩展而突然发生。金属材料承受变动荷载的大小、方向随时间而变化，变动应力也分周期性变动应力和无规则随机变动应力。金属材料承受的变动应力多为循环应力。
300kN金属材料拉压疲劳试验机；4000N.m密封件摩擦磨损接触疲劳试验机；100kN拉伸应力腐蚀疲劳试验机；50kN高周低应力疲劳试验机；hrjtest；200kN低周高应力循环疲劳试验机；10mm金属线材弯曲疲劳试验机；2000N.m金属杆件构件扭转疲劳试验机；10kN.m传动轴半轴扭转疲劳试验机；1000N.m五金工具扭转疲劳试验机；500N.m套筒扳手旋具扭转疲劳试验机；2000N.m管材管件扭转疲劳试验机；30kN.m万向节扭转疲劳试验机；50kN.m钻杆扭矩疲劳试验机；100N.m接头盒连接器扭转弯曲疲劳试验机；100kN弹簧横向刚度疲劳试验机；hrjtest；200kN弹簧垂向动态刚度疲劳试验机；300kN高温拉伸蠕变持久强度试验机；50kN螺旋弹簧高低温疲劳试验机；200kN500kN铸铁井盖压力疲劳试验机；2000kN无振动伺服万能材料试验机；1000kN钢筋套筒灌浆连接件反复拉压试验机；150N.m防火门合页铰链启闭寿命试验机；5kN电子伺服动态疲劳试验机；5kN接骨板弯曲疲劳试验机；5kN骨针螺钉弯曲疲劳试验机；5kN带柄股骨部件疲劳性能试验机；hrjtest；100N.m3000N浮动油封跑合磨损泄漏性能试验机；5kN椎间融合器生物力学性能试验机；100kN密封圈高低温压扭疲劳试验机；4000N.m履带疲劳耐久寿命试验机；150kN车轮轮毂旋转弯曲疲劳试验机；5kN填料密封件疲劳试验机系统；100kN金属复合材料拉拉疲劳试验机；250kN材料部件拉压弯疲劳试验机；100kN铝型材疲劳性能试验机；100kN金属橡胶弹性垫层疲劳试验机；300kN钢绞线轴向力疲劳试验机；500kN混凝土疲劳强度试验机;300kN钢板叶片板弹簧疲劳试验机；20kN铁路弹条疲劳试验机；30kN.m机车连杆扭转疲劳试验机；hrjtest；10kN密封胶拉伸疲劳试验机；300kN弹簧二维刚度疲劳试验机；65kN悬架弹簧高低温疲劳试验机；30kN驾驶室弹簧台架疲劳试验机；5kN床垫弹簧疲劳试验机；HAT2000-500高强螺栓轴力扭矩拉扭自动测试仪；掘进机盘形滚刀摩擦磨损疲劳寿命试验机；50kN对接接头高速拉伸冲击试验机；hrjtest；20kN铝合金板带材高速拉伸试验机；15m/min碳纤维应变控制高速拉伸试验机；恒瑞金疲劳寿命试验机；
Metal Material Fatigue Breaking Testing Machine；Metal Wire Torsion Fatigue Tester；Hardware Tool Torsion Fatigue Tester；hrjtest；Screwdrivers Torsion Testing Machine；Socket Wrenches Torsion Testing Machine；Valve Torsion Fatigue Testing Machine；Pipe Fittings Torsion Fatigue Testing Machine；Robot arm Torsion Fatigue Testing Machine；Universal Joint Torsion Fatigue Tester System；Drill Pipe Torque Fatigue Tester；Optical Fibre Cables Torsion Bending Fatigue Tester；Optical Cables Splice Torsion Bending Fatigue Tester；Air spring Vertical Horizontal Transverse Stiffness Fatigue Tester；Spring Vertical Dynamic Stiffness Tester；Helical Spring High Low Temperature Fatigue Tester；Slow Strain Rate Stress Corrosion Tester；Servo Fatigue Testing Machine for Manhole Cover；hrjtest；Tensile Creep Rupture Strength Testing Machine；High temperature Lasting Strength Testing Machine；Repeated Tension Compression Fatigue Tester for Grout Sleeve Splicing of Rebars；Fire-proof Door Closer Reliability Tester；Metallic Bone Plates Fatigue Testing Machine；Electronic Servo Dynamic Fatigue Tester；Floating Seal Running Wear Leakage Performance Tester；Floating Seal Running Wear Testing Machine；Floating Seal Leakage Performance Testing Machine；hrjtest；Intervertebral Body Fusion Device Biomechanics Tester；Sealing Ring High Low Temperature Compressive Torsion Fatigue Tester；Caterpillar Band Sealing Ring Fatigue Durability Life Tester；Wheel Hub Rotating Moment Vibration Acceleration Fatigue Tester；Wheel Rotating Bending Fatigue Tester；hrjtest；Seal Element Fatigue Testing System；Polymer Matrix Composite Materials Tension-Tension Fatigue Tester；Material Components Tension Compression Bending Fatigue Tester；Aluminium Alloys Dynamic Fatigue Tester；Rubber Elastic Pads Fatigue Tester；Steel Strand Axial Force Fatigue Tester；Concrete Fatigue Strength Testing Machine；Leaf Spring Fatigue Tester；Spring Clip Fatigue Tester；Sealant Tension Fatigue Tester；Spring Two Dimensional Stiffness Fatigue Tester；Air Suspension Spring High Low Temperature Fatigue Life Tester；Commercial Vehicles Cab Spring Fatigue Life Tester；Mattress Spring Fatigue Tester；Butt Fusion Joints High speed Tensile Impact Tester；Aluminium alloy sheets and strips High speed Tensile Tester；Carbon Fiber High speed Strain Tensile Tester；
上一篇：300kN钢绞线钢筋拉伸应力松弛试验机Steel Strand Steel Bars Stress Relaxation Tester
下一篇：1200T智能快速型千斤顶检定装置恒瑞金Intelligent Fast Type Jack Verification System |
